Denon AVR-X4000 IN-Command

7.2-channel home theater receiver with Apple AirPlay®

Item #: 033AVX4000

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Powerful, versatile...wonderful

See and hear your movies and music the way they were meant to be experienced. Let Denon's AVR-X4000 IN-Command receiver transform a simple TV room into a true home theater. With so many connectivity and setup options, you can customize your system for audio and video playback in as many as three rooms. Stream music from portable devices and networked PCs, connect mountains of components, and control it all with your smartphone or tablet. With Denon's advanced audio and video processing, everything will look and sound its best — from movies in vibrant high definition, to soundtracks and music in robust stereo or room-filling surround sound.

Denon AVR-X4000 7.2-channel home theater receiver with Apple AirPlay

Stream music from your iPad, iPhone, or computer running iTunes with the AVR-X4000's built-in AirPlay support.

Stream easy with AirPlay

Whether you've got music stored on your iPhone®, iPad®, or computer running iTunes®, AirPlay makes it as simple as pressing “Play” to stream songs to the 'X4000. It's so easy to browse and listen, you may find yourself rediscovering music you forgot you owned. Even if you don't have hundreds of gigabytes of digital tunes, don't feel left out — the 'X4000 features built-in support for Spotify® and SiriusXM subscribers, as well as free Pandora® Internet radio and DLNA-compatibility for networked PCs. That's millions of songs at your fingertips before you've connected a single component to this receiver. AirPlay requires a wireless home network and a wired connection between the receiver and network.

Wide-ranging multi-zone, multichannel flexibility

Denon AVR-X4000 7.2-channel home theater receiver with Apple AirPlay

The AVR-X4000 offers lots of connection options, including 11 pairs of speaker outputs.

With an impressive 11 pairs of speaker outputs, the AVR-X4000 offers maximum setup flexibility, so you can customize your home theater to your own space and needs. You can connect and control audio and video components in up to three rooms. Connecting a 5.1 surround system in one room leaves outputs for a stereo system in a second room or third room — no additional amp required. Plus, the additional HDMI outputs means you can connect an HDTV and a projector in one room as well as another TV in a second room. Not interested in a multi-zone system? Then use those extra channels in Zone 1 for "front high", "front wide," or "surround back" speakers to give movie soundtracks even more depth and realism. Or try bi-amping your compatible front speakers to squeeze even more detail out of your two-channel music. By adding an additional stereo power amplifier, you can expand your options even further.

Customized setup with Audyssey

Denon's home theater receivers continue to get easier to set up and control. One of the ‘X4000's best setup features is the built-in Audyssey speaker calibration software. Not only does it optimize your system to fit your room, but it can also tone down loud commercials, improve dialogue and surround effects during low-level listening, and even reduce the amount of bass you can hear in the next room. The ‘X4000's full-color on-screen display uses lots of graphics makes these and other settings a breeze to navigate. Once you're set up, be sure to download the free Denon Remote app for your Apple or Android™ smartphone. It's the simplest and most intuitive way to control your receiver via your home Wi-Fi network.


High-res audio

Enhanced audio performance

If you're serious about your music, check out some of the audio features Denon included in the AVR-X4000. Hybrid PLL circuitry reduces timing errors — known as "jitter" — that occur with digitally connected components like Blu-ray players and hinder clear, accurate playback. You can even go a step further with Denon Link HD, a separate connection between the 'X4000 and a compatible Denon Blu-ray player. This connection separates the disc's timing data entirely from the HDMI audio stream, allowing the receiver to accurately re-clock the data for even more sonic accuracy. If you have a USB thumb drive with high-resolution files, pop it in the front-panel USB port and let the 'X4000's high-performance 192kHz/24-bit digital-to-analog converters translate them into rich, detailed music. Even MP3s and other compressed digital music formats can sound great thanks to Denon's Compressed Audio Restorer.

Denon AVR-X4000 7.2-channel home theater receiver with Apple AirPlay

The free Denon Remote app for Apple and Android lets you easily control the 'X4000 from your smartphone.

Audio, video, analog, digital...bring 'em on

With its abundance of inputs, the 'X4000 can handle just about any component you can throw at it. Seven HDMI inputs offers plenty of room for Blu-ray players, gaming consoles, cable boxes, and more. Analog-to-HDMI upscaling means you'll only need a single cable to connect this receiver to your HDTV. Add a second subwoofer for room-shaking movie effects. Connect your turntable and enjoy the warmth of vinyl. Or embrace the digital age with the front-panel USB connection for your iPod® or other Apple device. It creates a direct digital connection, so you can get even better sound from it using the 'X4000's circuitry. Throw in lots of digital and analog audio inputs and this receiver is prepared to take on almost any home theater setup, no matter how extensive.

Product Highlights:

    Power and Processing:
    • 7-channel amplifier
    • 125 watts per channel into 8 ohms (20-20,000 Hz) at 0.08% THD, with 2 channels driven
    • Dolby® and DTS® surround sound decoding, including Dolby PLIIz and DTS Neo:X
    • analog-to-HDMI video upconversion up to 1080p and 4K
    • Audyssey "Platinum" speaker calibration and system optimization includes:
      • MultEQ® XT32 advanced auto setup and room calibration uses high-resolution digital processing filters to deliver balanced, dynamic sound to as many as 8 listening positions (expandable to 32 with a professional installer)
      • Dynamic Volume anticipates loud sounds to keep volume levels even
      • Dynamic EQ improves dialogue, bass response, and surround channel levels at lower volumes
      • DSX® (Dynamic Surround Expansion) optimizes "front height" or "front width" speakers to create a larger soundstage with more engaging surround effects
      • Sub EQ HT provides individual calibration for dual subwoofers, for even bass response throughout the room
      • Low Frequency Containment reduces the amount of bass that bleeds into other rooms
    Digital and Streaming Music Options:
    • Internet-ready for listening to music from a networked PC, free Internet radio, and music services
      • includes support for Spotify, Pandora, and SiriusXM (subscription required for some services)
    • Apple AirPlay for streaming music from an iPhone, iPad, iPod touch® or computer running iTunes
    • plays high-resolution digital music files via USB storage device or a networked computer (up to 24-bit/192kHz resolution)
    • DLNA and Windows® 8 certified for streaming music with compatible devices and computers
    • front-panel USB input gives you a direct digital connection for your iPod for improved sound quality
    Multi-room Audio:
    • three-room/three-source output
      • two independent HDMI video zones
      • powered and line-level stereo audio output for 2nd and 3rd room (using powered 2nd or 3rd output allows 5.1 home theater in main room)
      • component and composite video outputs for Zone 2
      • amp assign function lets you use extra speaker outputs for Front Height, Front Wide, Zone 2 or 3, Front B, or bi-amping front speakers
      • supports 2nd zone output from digital sources
      • additional power amplifier or receiver required for three-zone output
    Audio Performance Features:
    • Hybrid PLL circuitry reduces timing jitter from digital sources, for improved sound quality
    • Denon Link HD creates a jitter-free connection to compatible Denon Blu-ray players
    • Pure Direct mode turns off unused circuitry for cleaner audio signals
    • Denon's Compressed Audio Restorer improves sound quality of MP3s and other digital music files
    • 24-bit/192kHz digital-to-analog converters for all channels
    • expandable to 9.2-channel output with an optional stereo power amplifier
    Connections:
    • HDMI 1.4a audio/video switching: 7 in (includes 1 front-panel input), 3 out
    • component video switching: 2 in, 1 out
    • composite video switching: 4 in (includes 1 front-panel input), 1 out
    • digital audio inputs: 2 optical and 2 coaxial
    • 6 analog stereo audio inputs (includes 1 front-panel input)
    • 11.2-channel preamp outputs include outputs for 2 powered subwoofers
    • phono input for use with a turntable
    • front-panel USB port for audio playback from USB flash drives and portable music players
    • Ethernet port for network connection
    • outputs for 11 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Front Height L/R, Front Wide L/R)
    • receiver can power a maximum of 7 channels at once
    • RS-232C input for use with external controllers
    • remote control (IR) input/output
    • dual 12-volt trigger outputs
    • full-sized headphone jack
    • detachable power cable
    General Features:
    • 3D and 4K HDMI pass-through
      • This receiver is not HDCP 2.2-compliant and will not support copy-protected 4K video content.
    • InstaPrevue provides live picture-in-picture preview of connected HDMI sources
    • use your computer's web browser to control receiver functions and settings
    • Video Select lets you listen to music (network, USB, HD Radio, or phono) while watching video from a different source
    • Setup Assistant guides you through the initial connection process and settings
    • intuitive, full-color on-screen menu
    • free Denon Remote app lets you use your Apple or Android device as a Wi-Fi® remote
    • support for third-party control systems by AMX, Control4, Crestron, RTI, Savant, and URC
    • HD Radio tuner and standard AM/FM tuner
    • remote control
    • 17-1/8"W x 6-5/8"H x 16"D
    • weight: 27.12 lbs.
    • warranty: 3 years
    • Our 60-day money-back guarantee

    Receivers: Your ticket to sensational sound

    Your receiver powers your speakers and lets you connect and select your entertainment sources. But a great receiver does a lot more — it ignites your emotions. From the passion of a favorite musical artist, to the crossfire of a super-charged movie soundtrack, to the intensity and immersion of a fast-paced video game, your receiver is the key to experiencing and enjoying it in full.

    Denon AVR-X4000 IN-Command Reviews

    Average Customer Review:

    54 reviews
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    Not sure yet

    Written By Rich, Florida on Thursday, April 09, 2015

    Crutchfield Customer Review (What's this?)

    The top of the unit gets very hot after extended periods of time. I turn it on around 6am and I don't turn it off until ~9pm. Problem: I noticed that if I apply pressure to the top of the cover, when it's hot, the unit powers down. Also, I had an initial problem during setup, the unit froze in the internet radio mode, then it cleared up by itself, no problem since.

    Pros: Great unit, lots of ways to play different media. Works well with the iPad and iPhone app; wish there is one for my iMac.

    Cons: Setup was difficult, owner's manual needs more description for functions

    Good Value in a Denon Receiver

    Written By Rudeney, Alabama on Monday, March 30, 2015

    Crutchfield Customer Review (What's this?)

    This replaced my aging Denon AVR-3803, driving my main living room 5.1 HT system with UHD TV, plus a 2nd zone on a covered patio. I upgraded the patio TV from a CRT to HD, so the 4000's 2-zone HDMI was a perfect fit. I am very experienced with AV setup, so setup was quick and easy. I use custom touch-screen remotes so I have no opinions on the stock remote. I am very satisfied with the AVR-X4000 and really have no complaints, just a "wish list" of features I'd like to have.

    The Good: Familiar connections, plenty of input configurations, on-screen display, guided setup menus, great surround sound, flexible setup screens to tweak everything imaginable, 2nd zone HDMI out, "ARC" for TV audio via single HDMI cable, feels solid, sounds solid, looks nice, reasonable size, a good value for price/features, Insta-Preview "PIP" function, HD radio tuner.

    The Wish List: OSD and up-conversion of non-HDMI sources for the 2nd zone, faster iPod and SiriusXM app response, a rear USB in addition to the one on the front panel, ability to superimpose OSD without additional video signal processing (could be an issue for picky user and/or copy-protected HDMI 4K video).

    Overall, I am satisfied with this receiver and would recommend it. Maybe in another 10 years when I get ready to upgrade, Denon will address my minor complaints.

    Pros: Price, flexible connections, 3-zone output, quality, features

    Cons: On-screen display requires processing of video signals, lacks flexibility with 2nd zone video, slow "apps"

    Definitely a sweet reciever

    Written By denonrecievers, salt lake city on Thursday, March 26, 2015

    Crutchfield Customer Review (What's this?)

    Great reciever

    Plug, Follow onscreen instructions, and Play.

    Written By iNoteboom, Oviedo, Florida on Saturday, March 14, 2015

    Crutchfield Customer Review (What's this?)

    The Denon AVR-X4000 is perfect for my 5.1 surround sound living room + 2 stereo speaker pool patio setup. This amp powers the surround sound of movies and satellite through out the 500 sqft space with power to spare. Perfect for engaging casual family movie watching. I actually enjoyed the setup. It was completely onscreen driven with instant feedback, and it beautifully tuned the system for the space. I suspect that there are many receivers that could claim this, but what really sold me on this receiver was the ability for the AVR-X4000 to play digital sources through a powered Zone 2. This is key, for I only use digital sources: Satellite, AppleTV, BlueRay player, iTunes, Pandora, and SiriusXM. The fact that I can take any source and play it our on the pool deck, regardless of what is or is not playing in the living room is key. The final test was past with the fact that everyone is able to use the system, without me getting a support call on my cell phone ... Everyone: my young children, my wife, the babysitters .... my parents and in-laws. I am sure there are more features that I shall get to at some point, but it'sworthy to note that you needn't know all of them to operate the Denon. We were enjoying helicopters and explosions, within an hour of opening the box. Happiness all around.

    Pros: Plug, follow onscreen instructions, and play. Powered Zone 2 from Digital Sources Everyone can use the system.

    Cons: No WiFi capabilities Can't read the remote without reading glasses - my problem, maybe not yours :o)

    Denon AVR-4000

    Written By BWM, Anaheim Ca on Tuesday, March 03, 2015

    Crutchfield Customer Review (What's this?)

    This receiver is incredibly advanced compared to the unit it replaces, network connectivity, HDMI pass thru, HD Radio, Android app capabilities. I am very pleased with this unit.

    Pros: Too many to list.

    Cons: Gonna take a while to learn about all the capabilities.

    Great Receiver!

    Written By SidH, Seattle, WA on Tuesday, March 03, 2015

    Crutchfield Customer Review (What's this?)

    Love my new receiver! Didn't take a lot of time to install and setup.

    Always DENON

    Written By Steve M, Texas on Saturday, February 28, 2015

    Crutchfield Customer Review (What's this?)

    Bought this to replace my 3808CI which after 6 years had given up the right surround channel. Ordered from Crutchfield and it was here asap, considering the winter storm we have been dealing with. Double boxed and packed nicely. This unit is basically a lateral move for me, but it does have some more HDMI inputs and the XT32 with dual sub control. That was what I was looking for and this does not disappoint!!! I like DENON products and feel that they are priced very competitively in the market. So far no problems. Just takes a bit of getting used to the menu system. I love the way the inputs can be reassigned and renamed on the fly. The power is not an issue for me really as I drive the front mains with an Emotiva amp that does 500wpc into 4 ohms, and drives my Magnepan 1.7's beautifully and lets the stress of driving a 4 ohm load be carried elsewhere.

    Good Job DENON and Crutchfield for doing internet sales right!!

    Pros: VERY FLEXIBLE and GOOD BUILD QUALITY at this price point.

    Cons: 2 channel stereo settings are available only when certain speaker configurations are selected, which will preclude my using the assignable amps to drive my zone 2 speakers.

    Denon-AVR-X4000

    Written By Eric J, Warrensburg, MO on Wednesday, February 18, 2015

    Crutchfield Customer Review (What's this?)

    This reciever is fantastic! It has replaced a Denon AVR-2805 which I loved. It is every bit it's equal with the benefits of HDMI. The old receiver and the new receiver are driving a 7.1 system. The channel separation is more clearly defined on the X4000 along with the sense of clarity. Setup was very simple. The only reason for 4 stars is the lack of a printed manual, just a CD, a little awkward while learning the features. I prefer written for quick reference. Of course, that is what we get today. I have no problem recommending this receiver.

    Pros: The amount of input sources, good dynamic headroom, 4k up scaling and usual Denon build quality.

    Cons: Lack of printed owners manual and only two optical inputs. Cannot input SACD from my Denon SACD player, it has no 5.1 preamp input though it does have 7.1 preamp outputs.

    It's not me that's broken....it's you, Denon X4000. We have to break u

    Written By Badgerbkr, Wisconsin on Wednesday, February 11, 2015

    Crutchfield Customer Review (What's this?)

    I spent a frustrating month trying to get this unit to work. The bottom line is that it couldn't handle a 7.1 load along with Zones 2 & 3. I tried two different units and they both failed. The protection circuit would kick in and shut off the unit. Extremely frustrating when watching a movie or hosting a party. I liked that it was IPhone compatible, but the unit doesn't have built in wifi- showing that it is the direct descendant of a dinosaur. The power going to zones 2 and 3 was not enough to make a 110 watt amplified signal sound good. I figured since the price has come down so much- this must be a good opportunity to get a really high end unit. That was not the case.

    Pros: It had volume control for zones 2 and 3 Crutchfield will allow you to return the unit

    Cons: Went into protection mode, not enough power for multiple zones, no wifi, not user friendly. I wouldn't recommend this unit if you are powering more than 2 speakers. Denon used to make great stuff, but is not going to make it if they don't keep up with Sony.

    Very good HT receiver

    Written By TV Tom, Indianapolis, IN on Monday, February 02, 2015

    Crutchfield Customer Review (What's this?)

    Very cost-effective Home Theater receiver with lots of inputs and outputs of many different varieties. Easy to set up, lots of control capabilities. Sounds excellent. Can send sound to 2 rooms, or even 3 in some configurations. Automatic EQ and room setup with included mic.

    Pros: Really appreciated the inclusion of HD Radio in the unit. Can use its Web page and/or the on-screen to configure. DNLA means that I can input a media server. Starting to play with Internet Radio streams. AirPlay means I can stream from my iPod. Audyssey made fast work of room EQ and timing adjustments.

    Cons: You can only select 4 favorite stations, across all of the possible inputs. Would far prefer 4 favorite FM stations, 4 favorite Internet Radio stations, 4 favorite Pandora stations, etc. Wired Ethernet only, you have to add an outboard Wi-Fi adaptor.

    Hard to set up

    Written By Anonymous, Illinois on Sunday, February 01, 2015

    Crutchfield Customer Review (What's this?)

    Very difficult to set up first time. Love Denon sound but this one is very difficult to set up. My AVR 2780 was simple!

    Great Reciever

    Written By Joe C, Saratoga Springs, New York on Saturday, January 31, 2015

    Crutchfield Customer Review (What's this?)

    Every conceivable must have option, world class Denon amp and more inputs than you'll ever need. Absolutely untouchable at $800 and puts any Onkyo, Sony, Yamaha or Pioneer at twice the price to shame.

    Pros: Starts with the Denon amp. I buy for music first and take whatever comes along for movies. You will not find a better sounding receiver unless you spend 3x as much and most of those super high end systems lack true DSD SACD playback.

    Cons: Some people might complain about the lack of bluetooth but I could not care less. I don't listen to compressed music from any device or in any format.

    Review of particular patient question

    Written By Bigmac, Georgia on Friday, January 30, 2015

    Crutchfield Customer Review (What's this?)

    This piece by Denon,is connected to a pair of focus Legacy speakers in my home.The sound from this union is the sweetest I have ever heard. The highs are tight and crisp, the bass is thunderous.

    Pros: Overall sound and ease of features

    Cons: None so far

    Fast Shipping! Typical Crutchfield.

    Written By Nick, Atlanta, GA on Friday, January 30, 2015

    Crutchfield Customer Review (What's this?)

    This was my first experience with Crutchfield. I'd heard great things, but boy-oh-boy will I not be deviating from this company for my electronic needs. The finest internet purchasing experience one could hope for. 60-day return policy with nearly no questions asked. Free two-day shipping to Georgia. (It got here in one. I have no idea how seeing as how I ordered it at 6pm and I got an email saying it shipped at 7pm). Are you kidding? It was here in less than 36 hours.... For free.

    The icing came a few days ago when Crutchfield MAILED me a hand-written thank you note. Crutchfield you have my business for life.

    Oh- and this Denon replaced my Yamaha Aventage RX-740. At $800 they're giving it away. What a steal for the Audyssey and sub EQ. Has my Rythmik LV12R's tightly humming and kicking when needed. It's night and day from the Yamaha. Long live Crutchfield!!

    Pros: Audyssey sub EQ Unit not as big as the sound it produces

    Cons: I haven't found one after a month.

    Denon AVR-X4000

    Written By Joe, Staten Island, NY on Saturday, January 24, 2015

    Crutchfield Customer Review (What's this?)

    This receiver replaced my Onkyo TRN 838 that served me well for the last 2 years. I basically wanted to try something new and decided to give this Denon try. The Audyssey room correction is the same as my last receiver, so I was very familiar on setting up my equipment and calibrating it. So that went fairly well and quickly.

    Sound quality in my opinion is VERY GOOD. Very laid back and smooth. The Onkyo was a little more in your face and "bright" if you will. BUT I still like the Onkyo sound. The Denon is better for my music tastes: mostly Jazz, Latin Jazz, and Acoustic music. The Denon allowed me to play my music loud, without any distortion, and sounded fantastic at all levels. So I cannot comment on the video processing capabilities of this unit.

    Networking function, on screen displays, internet radio, connecting to my network were all on-par with what I am used to. It all worked, and worked well. No surprises here. Pandora out to my patio is what I use most in that zone, and it sounds great.

    For the record, I am using this receiver solely as a processor. It is connected to my Outlaw Audio Model 7500 amp which feeds ~300 watts to my Emotiva speakers at 4 ohms. The denon onlys uses its amp to power my outdoor speakers. No problem there. I have all video processing turned off and let my sources and display handle the video side of things. Denon app for phone/tablet works great once you get used to it. Onkyo app was a bit better-but only for aesthetic reasons.

    Pros: Sound Quality, networking functions/apps, easy learning curve for those with some experience in home theater. Free app and IP control of unit via a web browser. MANY features like EQ, room correction, video processing, etc. to keep one tweaking for months.

    Cons: Remote could be better-no back-lighting although one would think so from looking at the buttons.

    Denon AVR-X4000 IN-Command

    Written By Gary, Groton MA on Thursday, January 15, 2015

    Crutchfield Customer Review (What's this?)

    Very happy I spent the extra money and got the 4000 vice the 3000. Easy to set up and the extra power and headroom mad my speakers sound better. After setting it up and using Audyssey (a huge selling point), even my wife noticed the added clarity.

    Pros: Power! Audyssey "platinum". BiAmp capability. Last years' model - Best price that I could find from a reputable dealer!

    Cons: Does not support HDMI 2.0; but to be honest, after doing a lot of research into 4k, I'm, not really sure I care...

    Denon AVR-X4000 IN-Command

    Written By Anonymous, Fremont, CA on Monday, January 12, 2015

    Crutchfield Customer Review (What's this?)

    Great amp. I have been using it for over a month now. Have it connected to my TV in second room (2nd room), stereo speakers in 3rd room and main room 5 .1 Polk speakers. Connected to Dish receiver, WiFi, Apple TV, Blu-ray, PS3, old VCR player, etc. All working fine. AirPlay working great as well.

    Denon AVR-X4000

    Written By JS, United States on Sunday, January 11, 2015

    Crutchfield Customer Review (What's this?)

    Denon is an excellent product! Has a lot of awesome features for a home theater system.

    Pros: Easy to use and hook up and Audissey is a great tool to help with setup. Great receiver at a great price.

    Cons: Does not have bluetooth

    Denon AVR-X4000

    Written By StevenW, Washington on Thursday, January 08, 2015

    Crutchfield Customer Review (What's this?)

    Excellent amp, great surround sound, easy to use

    Pros: Very easy to reassign inputs

    Cons: Needs component inputs

    Performs way beyond it's price

    Written By Brian, Albuquerque, NM on Wednesday, January 07, 2015

    Crutchfield Customer Review (What's this?)

    It takes more than $3000+ to approach the level of audio performance from other brands out there. This is also a feature-packed device with 3D, 4K, Apple AirPlay, etc. Denon is really the only mass market receiver to consider if you want to hear and see your content natively. In other words, for the money, you get what is on the disc without "flavor" added.

    Pros: Performance-to-the-dollar

    Cons: None

    Denon AVR-X4000

    Written By turbo427, North Carolina on Wednesday, January 07, 2015

    Crutchfield Customer Review (What's this?)

    It has been two weeks now and the receiver works great. I have tested it with large itunes library and music sounds like your in there. Also have watch several movies from older DVD to new BlueRays and the receiver sounds great. I have tested it with a iphone and the Denon app works great as does airplay. Cruthfield was also great they call to verify the purchase and unit came in 2 days as they promised.

    Pros: Way to many features to go into

    Cons: None at this time.

    Moving from Bose to Denon AV4000

    Written By Pascal, Arkansas on Monday, January 05, 2015

    Crutchfield Customer Review (What's this?)

    Great sounds. Easy to install. Bought it mainly for multi room speakers setup using zone 2 and 3.

    Pros: Multi zones and pre amp output available.

    Cons: No wifi and bluethouth.

    Nice unit, but watch out for the setup

    Written By Mangusta1969, Nevada on Wednesday, December 31, 2014

    Crutchfield Customer Review (What's this?)

    Initially, I had trouble connecting this unit to my wired home network. Although this receiver had a DHCP -assigned address on my local network, it would not work to access the Internet despite several network and receiver power cycles. The receiver kept saying there was no Internet connection. I finally solved this problem by performing a complete receiver reset procedure: while pressing the Info and Back front panel buttons simultaneously, I power cycled the receiver. As soon as I performed this factory reset procedure, all was well. The X4000 now was able to access my local wired network and also access the Internet. To get the Internet access working, I did not do anything to my cable modem or the wired/wireless router that was connected to the X4000 with an RJ45 cable, although I had previously performed many troubleshooting procedures/resets on these units before I did the factory reset on the Denon receiver.

    I really like the sound quality and various features of this Denon receiver with my home theater system. The access to Pandora and the Internet Radio features are really excellent and easy to use. I am hoping that some additional HD Radio

    The sound of this receiver is excellent and is a little "warmer" than the Onkyo TX-NR717 receiver that it replaced. I have not yet used the advanced Audessey speaker optimization feature, as I want to make certain that this receiver works well for a week or two prior to spending more time on a more advanced configurati

    Pros: Great power and feature set. Fairly compact for its power rating. Nice appearance and user interface.

    Cons: Did not work out of the box to access the Internet. Had to perform a complete factory reset to gain access to the Internet.

    Excellent

    Written By Matt, Washington, DC on Monday, December 22, 2014

    Crutchfield Customer Review (What's this?)

    This product is excellent! It has some really great features (Main Zone HDMI video output from one source, such as a cable box, while using another source for audio, such as Internet radio) and was very easy to set up (great step-by-step guide). The speaker connections can be a little frustrating; I read a similar review and highly recommend ordering some banana plugs.

    Pros: Great features for the price Easy to set up (including network connectivity)

    Cons: Speaker terminals are a bit tedious

    Denon AVR-x4000

    Written By Scott, California on Saturday, December 20, 2014

    Crutchfield Customer Review (What's this?)

    Very impressed with the sound quality and level of customization.

    Pros: versatile, multi room audio and video, on screen menu make changing setting easier

    Cons: internet/HD radio menu is difficult to navigate, and not user friendly

    So many features!

    Written By Nick K, Moorhead, MN on Monday, December 08, 2014

    Crutchfield Customer Review (What's this?)

    100% pleased with this product. A ton of features to use and keep yourself entertained. Lots of integration and the Audissey does a great job of setting up your sound!

    Pros: Audissey Loaded with features Well priced

    Cons: No wifi but I already had cat6 ran to that spot anyways. Just a heads up.

    Denon x4000

    Written By Moto147, Champaign, IL on Saturday, November 01, 2014

    Crutchfield Customer Review (What's this?)

    My first receiver. Easy to setup and easy to use. I have 2 tvs in same large room. Can run them with same or different input sources. Even my wife and kids can run the receiver.

    Lots of Features

    Written By Quazimoto, Dallas, TX on Tuesday, October 28, 2014

    Crutchfield Customer Review (What's this?)

    Nice overall AV receiver. I purchased it to run a home theater setup AND push sound and HDMI signal to a nearby patio. It has plenty of power to push the theater speakers and then some. The two Definitive AW6500s on the patio will turn the neighborhood into a block party if I turn it up loud enough.

    Oh, and the iPhone app works GREAT. It's nice to control all functions of the amp from an app on your phone.

    Pros: 9.2 channels; Power; THREE zones

    Cons: Lack of bluetooth and wifi (must run an ethernet cable from your router to the unit)

    Denon AVR-X4000

    Written By Larry N., Longwood, FL on Tuesday, October 28, 2014

    Crutchfield Customer Review (What's this?)

    Excellent receiver - Perfect sound and picture

    Great Reciever - Lots of multi zone options

    Written By Greg S, Ansonia, CT on Monday, October 27, 2014

    Crutchfield Customer Review (What's this?)

    I got this receiver do replace my Deonon AVR 1913 as I was running into a few limitations when it came to multi zone/room playback.

    Also, Now I'm able to output digital signals (like apple tv) through my second zone speakers! (A frustrating limitation to the prevous generation models) Also, it has multiple hdmi outputs so I can either mirror OR broadcast a different source to a secondary theater room.

    A few other things that make this a great upgrade -I'm now able to adjust the speaker output for my second zone so it sounds much better than it did prevously -When listening to an audio source in your primary zone, you can set a different video source so for instance you can watch tv or play video games while listening to music.

    Pros: Easy setup, Great audio calibration for effortless awesome sound, multi-zone features, multiple hdmi outputs, great sale price savings too!

    Cons: none.

    Denon AVR-X4000

    Written By Russ Q, Tequesta, FL on Tuesday, October 14, 2014

    Crutchfield Customer Review (What's this?)

    Changed out from an older Bose Lifestyle system. I love the and its WiFi capability. You can control multiple zones all just using your smart phone! Easy to set up and sounds fantastic!!

    Pros: Easy to set up, Quality manufactuer, ability to buy a lifetime warranty, ease of use

    Cons: none found to this point

    Don't buy this receiver

    Written By Mark W, Orange CA on Sunday, September 28, 2014

    This receiver shuts itself off intermittently, goes into protect mode. My second trip to authorized repair ended when, without any notice, a box was delivered to my door with fedex asking for my signature. When I opened the box I found a refurbished unit. the authorized repair people must have contacted Denon and they just sent the refurbished unit without any communication with me. I haven't tried the refurb yet but from what I read an awful lot of people have had the protect mode problem. apparently there is no fix. Beware, others write their review in the 1st few days of use, so they don't know the problem will occur with time.

    Pros: when it doesn't work how do you write pros?

    Cons: horrible rate of failures should be pulled off the market

    Great until it is not

    Written By Victor, Inland Empire, California on Friday, September 26, 2014

    I purchased this unit in March and it does what it advertises until it doesn't. The unit started to go into protection mode and shutting down in late July. It would work sometimes, but then it started going into protect mode after just a few minutes of operations. I worked with customer support and they said I needed to take it into their repair facility (an hour drive from my house). The technician that worked on it said it was common in these units and he had to replace 4 transistors and add some ground cable. Denon offers free shipping back to the customer, but I had to pay $15 to have them box it up for me. I should get it back today. As I said, when it works it is a great unit. I just hope this is the last of my problems.

    Pros: Lots of extras, Love the Audissey and Airplay. Plenty of power.

    Cons: Died in six months requiring repair.

    Fantastic Reciever

    Written By Tom G, Kenosha, WI on Sunday, August 10, 2014

    Crutchfield Customer Review (What's this?)

    I purchased this to replace an Onkyo receiver. This a great receiver! I am using it in a 7.1 system, but can expand it to 9.2. I use the both powered zones, no need for an additional amplifier. I had one on hand from the old unit. I use it for my Zone 3 for the deck. Now I have 7.1 in main zone and full power for my zone 3 and it sounds great . I wish I had purchased the Denon first. I liked it so much I purchased an scratch and dent Denon AVR for my basement movie theater. The install and set up was very easy with the on-screen menu, and the Audyssey mic to fine tune the system. This is a great receiver that is very easy to do firmware updates. Buy this receiver you won't go wrong.

    Pros: Easy set up, simple to understand on-screen menu, Great sound!!

    Cons: None!

    A great Amplifier and then some!

    Written By Perry, Greenville NC on Tuesday, June 10, 2014

    Crutchfield Customer Review (What's this?)

    A fabulous amplifier! Using Banana plugs is the way to go with this one. Using all of the speaker connections, including front height and width, and back surround. With my Polk speakers it is as good as the movie theater. The Audessey set up and the on screen help by Denon made the sound magical and completely fill the room with great frequency balance and accuracy. I have watched movies that I have already seen just to be immersed in the sound track that I was missing before. 7.1 surround is absolutely amazing. I have had no problems with the power requirements of my speaker set-up. A smashing success!!

    Pros: Powerful Balanced, accurate sound Easy set-up Great controller Nice to know Crutchfield is there if I ever need them Worth the money

    Cons: none come to mind

    Workin great

    Written By Srichards, Yuma az 85367 on Wednesday, May 21, 2014

    Crutchfield Customer Review (What's this?)

    Bought to replace an onkyo receiver that had problems. Got all hooked up and everything worked great! Very happy

    Awesome Upgrade

    Written By NormanT, Holly Springs, GA on Wednesday, May 07, 2014

    Crutchfield Customer Review (What's this?)

    Upgraded from the AVR-3313CI to the AVR-X4000 for the preamp outputs, but the XT32 blew me away!. Movies are MUCH more detailed, dialogue is clearer and the highs are smoother.

    Pros: Audyssey XT32

    Nice -

    Written By Mablt, Las Vegas NV on Sunday, March 16, 2014

    Crutchfield Customer Review (What's this?)

    Upgraded 8 year old Marantz SR8400 7.1 110W receiver that was pre-HDMI, and pre wi-fi. Audio playback was excellent but notably, movies soft spoken dialogue was lost despite re-balancing efforts. I aimed at an Audyssey licensed product with Sub bass EQ XT option, not just Multi EQ XT.

    Crutchfield was wonderful, answered their phone on Sunday, were polite when I wanted to change my online order (I'm a wishy-washy) and they delivered this Denon AVR-X4000, an open box special, at a competitive price. I couldn't tell why this was labelled open box. I printed out hard copy of the Denon User Manual off Denon website to have handy, and stripped out my Marantz. I followed the setup guide exactly. I HAD NO PROBLEMS. My first Audyssey set up was a fail. Redo worked. Audyssey helped me find reversed polarity center channel, and my cross labelled Surr Rear and Surr Side (Doh!). I ended up preferring direct tweaking with the Audyssey equalizer.

    I am happy - movie dialogue is noticeably better, and my sub-woofer is reborn!! It BOOMS!! So far my wi-fi and internet features are running through my wi-fi Blu-ray, and I haven't tasked the Denon with it yet, and I just downloaded the i-phone app and haven't tried it yet. i-phone direct hook up plays fine w/ on screen art. HD radio plays fine but it's not my thing. SACD audio 2 channel playback is great, but I "think" I preferred my Marantz sound? But like I said, movies are WAY better, and that's primary use nowadays!

    Pros: Up to date features and connectivity. Audyssey set-up made a difference and IMHO puts this product above competitors products at this price point.

    Cons: Um, none. You do need to have a little geek in you to set up ANY AVR receiver, but this one was easy enough.

    Denon AVR-X4000 IN-Command

    Written By BS, Tucson, AZ on Friday, February 21, 2014

    Crutchfield Customer Review (What's this?)

    Working great.

    Pros: Like the Audyssey speaker level automatic analyzer. Unit sounds great and functions good. AirPlay works good.

    Cons: Users manual is hard to understand. Unit doesn't display the network it is using. It cost me a day calling Denon, router provider, Apple, and Crutchfield to get AirPlay to work. Each provider blamed the other, but no one asked if there was more than one network. Miss having a n outlet on the rear panel.

    Swiss Army Knife of AV Receivers

    Written By Jason Y., Burbank, CA on Sunday, February 09, 2014

    Crutchfield Customer Review (What's this?)

    This is a replacement for a Denon AVR-2310CI. The 2310CI is very complicated and has an excessive amount of remote control buttons and functions in comparison to the X4000. The X4000 on the other hand is very evolved from the predecessor 2310CI. The X4000 has improved and refined A/V processing power, and presents its features in an easy to use straightforward manner. The X4000 is what I imagined a 21st century receiver to be. There is a comprehensive list of subscriber based and free internet radio, including local over the air AM/FM HD radio capability. The X4000 will also playback music files on my NAS drive hosting DLNA file services. All of these functions just worked like an appliance, nearly plug and play (no fiddling around with complicated network settings that are often time consuming to set up). I was amazed at how far I got without the instruction manual. The X4000 has great sound and a much improved Audyssey processor from earlier generations. The X4000 feeds a Paradigm Studio 100 speaker system. The receiver is more than capable of driving these speakers with plenty of bass with clear mids and smooth highs. A few buyers may need 4 ohm capability and more power, though for most home theater and hi-fi systems, this receiver will exceed expectations.

    Pros: Lots of great features, easy to set up. Excellent cost/value to feature set ratio. Video processing is on par with great audio performance. This is a great AVR. If you're on the fence about this purchase, just buy it, you won't regret the purchase.

    Cons: No printed instruction manual; you'll have to read the manual on your computer or PDA. The next task for improvement should be in developing a much better I-Pad/PDA remote control app for these AVR receivers. The latest generation of apps are an improvement from past versions, though they still have a way to go. I would be OK with paying for a really great app to control and set the X4000. No 4 ohm output; you'll have to buy Denon's top of the line receiver to get this capability.

    I am not disappointed

    Written By Mike B., Chicago, Il. on Thursday, February 06, 2014

    Crutchfield Customer Review (What's this?)

    I purchased this Denon X-4000 a couple of weeks ago. I am very happy with this purchase. What a difference the Audyssey MultiEQ XT32 makes. The sounds from blu-ray moves and PS3 games is astounding. I was using a cheap Sony AVR and everything sounded very dull and not appealing. Since I did the Audyssey, I have found new likeness for my movies and games. I watched the Superbowl using this receiver and it was a great sounding experience. I would highly recommend this receiver.

    Pros: Great Sound, looks good and was very easy setup.

    Cons: None

    AVRX4000

    Written By AV enthusiast, Doylestown, PA on Friday, January 17, 2014

    Crutchfield Customer Review (What's this?)

    I wanted to like this unit but it failed short , the second zone hdmi out did not work as I expected it, but that's just one of the hdmi standard limitations, so I can not blame denon for it, I had to use an hdmi repeater for the hdmi 2 out, also if I want to use the second or third zone for audio I would have to set the main zone for 5.1 and loose two speakers as I have 7 speakers in wall and in ceiling installed, I have invested "enough" money on it so I am not just going to have two speakers not doing anything, my old receiver would handle this just fine as the same built in amplifier shares SBSs and zone two speakers, I'm limited to 5.1 when using zone 2 but it's done with one simple click and not through the menu. So with regret I have to send it back, as I have to de install and re install all this equipment, Crutchfield support was very good, I called tech support twice...

    Pros: Sounds good, the app for the iPhone and iPad works very well, you're capable of switching inputs, adjust the volume, etc

    Cons: Second and third zone have too many limitations, and this was the reason why I got this unit

    Great so far

    Written By Jeff T, Richmond, VA on Wednesday, January 08, 2014

    Crutchfield Customer Review (What's this?)

    This replaced a Denon 3808ci. The main feature I was looking for was digital out for Zone 2. That function works well, however only if the original content is in 2-channel format. The Audyssey32 room correction is noticeably better and eight mic placements are allowed for the calculation. The GUI is much more intuitive and user friendly. Unlike other reviews I have seen, it does run any hotter than my old receiver. The ARC configuration is a little cryptic. I have decided not to use it, but did work with my Panny VT60. Bottom line is that sound is great, the room correction is really impressive and the sound stage seems more cohesive and integrated than the older model. I would recommend it.

    Pros: Great room correction, more intuitive than older Denons, digital out Zone 2.

    Cons: Flaky ARC

    Great AVR

    Written By HowieR, Fort Lee, NJ on Tuesday, December 31, 2013

    Crutchfield Customer Review (What's this?)

    Purchased one week ago as a replacement for an aged Onkyo in the family room. Right out of the box no problems. Fits perfectly in the console. AVR connection guide steps anyone through the speakers and input device connections. Plenty of HDMI inputs and outputs. Currently running a 7.2 configuration. Not yet taking advantage of multi zones but noted comments from other owners reviews. Using the Audyssey XT setup and microphone worked pretty well, however I did need go thru manual setup and tweak some of the speaker settings - subs and main speakers. Needed to make a fine adjustment to the xover frequencies for the floor standing speaker sound to open up more. Media server works great with streaming devices and controlling them from the remote straight forward. Found STB audio pass through a little quirky until setting change as well as power up was going into TV mode and not SAT/CBL. Using with B & W CM series floor standing speakers & Center, 2 subs that go down to 17hz and Klipsch ref series surround speakers mounted on the walls.

    Pros: Sounds great so far. A lot of musicality, not just oriented to theater sound reproduction as I have heard from others.

    Denon AVR-X4000 IN-Command

    Written By Ryan, Herlong, ca on Tuesday, December 24, 2013

    Crutchfield Customer Review (What's this?)

    Really like this amp

    No Joy Yet

    Written By JimS, Oklahoma City on Thursday, December 12, 2013

    Crutchfield Customer Review (What's this?)

    First unit arrived promptly but proved to be defective. Crutchfield offered replacement without any hassle, but delivery of this unit has been ponderously slow via UPS so I'm still waiting.

    Pros: Sounded good prior to repetitive shutdowns. Initial set up went smoothly.

    Cons: Play... shutdown. Play.....shutdown. Play.....shutdown. Ultimately it would shutdown with nothing connected. Web survey now suggests that others have experienced similar problems with the X4000. I hope the replacement works as advertised if and when it is delivered.

    Disappointed - too late to return it though

    Written By Anonymous, Dunedin, FL on Tuesday, December 03, 2013

    Crutchfield Customer Review (What's this?)

    I bought this unit in July and in October the unit shut down while using it and would not power up again. It went continually into protect mode. After working with Denon tech support (this happened just after Crutchfield's 2-month return policy) and was told I had to bring the receiver to a local Denon repair shop to get it repaired. A three-month old receiver! The authorized repair shop fixed a bad solder joint on internal connector CN203. I was told this was a factory defect (my receipt for the repair had Factory Mod. DZ10-171 on it for those who want more details). I asked the repair shop if there was anything in my home theater setup that could have caused/exacerbated this problem and he said no, it was just a factory defect.

    Beside that, I find the power of this unit to be weak. I replaced a Yamaha RX-2600 receiver with this unit and the power is NOTICEABLY less. I use all three zones of this unit and there is also an audio delay between the main zone and zone 3 if you and using the same source in both zones simultaneously. Both Crutchfield and Denon tech support could not find a solution for this issue. I stumbled upon a fix for me, which was there is not and audio delay between the main zone and zone 2 when playing the same source (the CBL/SAT source in my case) simultaneously. Luckily I stumbled across this and was able to rewire my zone hook ups to get by this rather unique issue I had.

    The remote is only semi useful. But I find the Denon iphone app VERY usable.

    Pros: Plenty of connections, including very good multi-zone support Internet connection and streaming pandora/XM-Sirius/etc works well Feature rich, about as many features as you can find at this price point

    Cons: Unit needed factory repair after only three months. That is just pathetic. The power of this unit may be disappointing to you if you are replacing another beefy-drive receiver The remote is only semi-useful. No backlight. Use the iphone/ipad app for configuration changes.

    Does not meet my requirements

    Written By rmast, PA on Thursday, November 28, 2013

    Replaced an Onkyo NR808 which died shortly after warranty expired. Specifications appear to be similar but I am hoping for better quality. My configuration has 7.1 in zone 1 (living room), powered zone 2 (kitchen/dining) and line in to zone 3 (office, powered by separate amp).

    Setup and connection were straight forward. Note that there is no physical manual. Instead you must use the included CD or better yet download the PDF. Setup software could be improved in the area of zone management. Zone 1 up and running is short order. However, now comes the issue. It is not possible to connect a powered zone 2 and keep 7.1 in zone 1. Most competition will on-the-fly convert from 7.1 to 5.1 when zone 2 is turned on. The Denon does not have this functionality. This is an unfortunate deal breaker. So it will be exchanged for a Yamaha RX-A2020. Fortunately it is on sale for less and adds additional features. The 9.2 system will allow concurrent 7.1 zone 1 and powered zone 2.

    Some other thoughts: The unit is smaller and lighter than competition. Remote is not fully back lit for all buttons and feels cheap. Sound after initial setup seemed good. Did not use long enough to compare to previous Onkyo. Did not try any networking features.

    Overall I think this is a good unit in many ways. However, it lacks the multi-room configuration of most competition. Therefore it seems overpriced making it not the best value.

    Pros: good sound, relative easy setup of main features, smaller case than most competition

    Cons: cannot use 7.1 in zone 1 anytime if connecting powered zone 2

    What a difference!

    Written By Mike W, Knoxville, TN on Monday, November 25, 2013

    Crutchfield Customer Review (What's this?)

    I upgraded to this Denon AVR-X4000 from an older entry-level Onkyo which had served me well for 6 years. The difference was astounding. I plan to upgrade my speakers eventually, but this AVR has breathed new life into my DefTech ProCinema 600 speakers. Setup was fairly straightforward, and after running the Audyssey XT32 calibration, movies and music sound clearer, cleaner, and more lifelike. The sub is much better integrated than before, with smoother, less-boomy bass. I'm very pleased and highly recommend this receiver. As usual, service from Crutchfield was flawless.

    Pros: Audyssey MultEQ XT32 Clear, clean sound Straightforward setup

    Cons: None so far

    great product

    Written By Anonymous, Lexington, sc on Friday, November 01, 2013

    Crutchfield Customer Review (What's this?)

    Sounds great with my SVS speakers.

    Pros: Great Sound

    Cons: None

    Amazing!

    Written By Hansen, Alaska on Thursday, September 19, 2013

    Crutchfield Customer Review (What's this?)

    I bought this as a birthday present/replacement for my AVR-2802. AMAZING. Still learning all the new features and available apps..but after a few movies... AMAZING. Crutchfield service = AMAZING.

    Pros: Sound quality & clarity, the ability to connect a multitude of components including old definitives and polks..

    Cons: I was a little put off by the fact that the receiver is smarter than me. It told me during setup that one of my speakers was connected backwards. Really?

    Excellent Product

    Written By HM, Merced, CA on Saturday, August 31, 2013

    Crutchfield Customer Review (What's this?)

    I am glad I bought the x4000 which is the successor of the highly rated 3313ci. The feature that sold me on the system was the Audyssey MultEQ XT32, it's a great system for correcting room acoustics and is highly recommended if you plan on running dual subwoofers. I have an open floor plan with vaulted ceilings and my previous Sony system was a pain to listen to. Because of the open floor plan I only have 3 walls onto which I can attach speakers so I opted to go with a 6.1 setup. Fronts(L/R), Center, Surrounds(L/R), Center(Back), and currently a single subwoofer. Eventual plan is to add Front Heights(L/R) and a second subwoofer. There is room for also adding Front Wides(L/R) but that might be too much.

    Setup was easy and the GUI is very refined and easy to understand. The included microphone is fairly long but I had to buy an extension because my room is even longer. You place it in eight different locations near the main listening position which didn't take too long. It is very important to do this while it is quiet.

    All I can say is that once it's calibrated the sound is amazing, dialog is a lot clearer and audible, the bass is not overpowering just the right amount at the right time, and the surround effects really envelope you. My system is mostly for movies so I have not listened to music but that will depend heavily on the type of speakers you have.

    Having a HDMI zone2 output is great if you also have a projector and TV in the same room as I do.

    ...

    Pros: Audyssey MultEQ XT32 Zone 2 HDMI output Dual Subwoofers Easy Setup 4K future proof

    Cons: None yet

    Great Receiver

    Written By Prince, Houston on Friday, August 09, 2013

    Crutchfield Customer Review (What's this?)

    I bought this receiver to replace a 6 year old Onkyo. I was going to get another Onkyo, but, after some research decided on Denon. A little further searching and I went for the 4000. I am extremely glad I did. The setup is stupid easy. The features are many and useful (wireless would be nice, but not critical). The best part, however, is the sound. I thought the Onkyo did a good job, but after listening to the Denon for a while, I realized how wrong I was.

    Flexible setup

    Written By John C, Indianapolis IN on Tuesday, July 30, 2013

    Crutchfield Customer Review (What's this?)

    I have an all NHT system that sounds great with this receiver. Classic 4s sound great with traditional hookup. I may biamp or run an outboard amp in the future. I really like the HDMI to zone 2, but wish it would stay connected when powered off, like the first zone.

    Pros: Value, HDMI to zone 2, sound

    Cons: Zone 2 connection not avail in standby ( as far as I know)

    Hands-on research

    What's in the box?

    Download owner's manual

    • 7.2ch A/V Receiver
    • 5.5' AC power cord
    • Wireless remote control (RC-1185)
    • 2 "AAA" batteries
    • Audyssey setup microphone (ACM1HB)
    • AM loop antenna
    • FM wire antenna
    • Owner's Manual CD-ROM
    • Getting Started booklet (En/Fr/Sp)
    • Warranty Information
    • Safety Instruction Manual
    • Denon Extended Protection Plan
    • Sheet of adhesive labels

    Features and Specs

    General
    Number Of Channels 7
    Stereo RMS Power (watts) 125
    THD in Stereo 0.08 %
    Frequency Bandwidth (stereo) 20-20k Hz
    FM Sensitivity 14.8 dBf
    HD Radio Tuner Built-in
    On-Screen Display Thru HDMI
    Auto Speaker Calibration Audyssey MultEQ XT32
    HDMI Standby Pass-through Yes
    Composite Video Conversion From Composite to HDMI
    Component Video Conversion From Component Video to HDMI
    HDMI to HDMI Upconversion Yes
    Internet-ready Yes
    Apple AirPlay Built in
    App Remote Control Yes
    Bluetooth-compatible No
    USB port for iPod/iPhone Yes
    DLNA Certified Audio
    Photo
    MHL-compatible No
    Multibrand Remote Control Yes
    Learning Remote No
    LCD Remote No
    Width (inches) 17-1/8
    Height (inches) 6-5/8
    Depth (inches) 16
    Weight (pounds) 27.12
    Parts Warranty 3 Years
    Labor Warranty 3 Years
    Multi-room Audio--Video
    Powered Multi-room Audio Output Yes
    Preamp Multi-room Audio Output Yes
    Multi-room Video Yes
    Multi-room HDMI Output Yes
    Surround Processing
    Dolby Digital DD, EX, TrueHD, DD+
    Dolby Atmos No
    DTS DTS, ES, HD, HDMA, Neo6, 96/24
    Inputs & Outputs
    Phono Input 1
    Audio-Video Inputs 7
    Audio-only Inputs 2
    Component Video Inputs 2
    Component Video Monitor Outputs 1
    Optical Digital Inputs 2
    Coaxial Digital Inputs 2
    Optical Digital Outputs None
    Coaxial Digital Outputs None
    HDMI Inputs 7
    HDMI Monitor Outputs 3
    Subwoofer Outputs 2
    Multi-Channel Analog Input No
    Multi-channel Preamp Output Yes
    Main Speaker Output Pairs 1
    Main Speaker Terminals Posts
    Ethernet Port 1
    USB Connections 1 Front
    Removable Power Cord IEC 3-prong

    Product Research

    Audio Features
    Video Features
    Network + Tuner Functions
    iPod/USB Integration
    Convenience Features
    Remote Control

    Audio Features

    Equal Power Amp Design w Discrete Circuitry: The Denon AVR-X4000 is equipped with a 7 channel power amplifier rated at 125-watts (into 8-ohms, at 20-20kHz, with 0.08% THD, driving 2 channels) that reproduces high-fidelity sound in surround mode with equal quality and power for all channels, true to the original sound. The power amplifier circuit adopts a discrete-circuit configuration that achieves high-quality surround sound reproduction. To faithfully reproduce the original surround sound, each of the Denon AVR-X4000's seven channels are equipped with its own high-current power amp of equal power. Since these power amps also use discrete circuits configured with parts strictly selected for their contribution to high sound quality, rather than with low-cost integrated circuits (ICs), the surround sound playback is of impeccably high quality.

    Amplifier Assignment: The AVR-X4000's seven discrete amplifier channels can be configured to accommodate your type of home theater setup.

    • 7.1Ch (SB/FH/FW): Assigns all power amplifiers within the receiver for the Main Zone. In this configuration, up to 11 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Front Height L/R, Front Wide L/R) can be connected to the AV receiver. The receiver will automatically switch between the Surround Back (Dolby TrueHD/DTS-HD), Front Height (Dolby Pro Logic IIx), and Front Wide (Audyssey DSX) speakers based on the type of 7.1ch content. You must use separate amplifiers for Zone 2 and Zone 3 speakers.
    • 5.1Ch + Zone 2: The AVR-X4000's amplifier channels can be configured as Front L/R, Center, Surround L/R, and Zone 2 for Dolby Digital, DTS, and Dolby Pro Logic II 5.1ch playback in the main zone and 2ch PCM playback in the second zone. Surround Back, Front Height, and Front Wide speakers are not available. Zone 3 speakers must be powered by a separate amp.
    • 5.1Ch + Zone 3: The receiver's amplifier channels can be configured as Front L/R, Center, Surround L/R, and Zone 3 for Dolby Digital, DTS, and Dolby Pro Logic II 5.1ch playback in the main zone and 2ch PCM playback in the third zone. Surround Back, Front Height, and Front Wide speakers are not available. Zone 2 speakers must be powered by a separate amp.
    • 5.1Ch + Zone 2/3-Mono: The AVR-X4000's amplifier channels can also be configured as Front L/R, Center, Surround L/R, and Zone 2/3 for Dolby Digital, DTS, and Dolby Pro Logic II 5.1ch playback in the main zone and mono playback in the 2nd and 3rd zone. Surround Back, Front Height, and Front Wide speakers are not available.
    • 5.1Ch Bi-Amp: Assigns all amplifiers of the receiver to the Main Zone with the front speakers bi-amped. Up to five speakers (Front L/R, Center, & Surround L/R) can be connected to the AV receiver. The Surround Back amplifier channels of the AV receiver are reassigned to bi-amp the front speakers. A bi-amplification connection uses two amplifiers for one speaker. One amplifier is connected to the woofer section of a loudspeaker while the other is connected to the combined midrange and tweeter section. With this arrangement each amplifier operates over a limited frequency range, making its job easier. Surround Back, Front Height, and Front Wide speakers are not available. Zone 2  and Zone 3 speakers must be powered by a separate amp.
    • 7.1Ch/2Ch Front: Assigns all amplifiers within the receiver to the Main Zone for 7.1ch playback (w/ Surround Back speakers). You can also connect a second pair of front speakers that are different from the ones being used during multi-channel playback for playback of 2ch audio. The receiver will automatically switch the internal power amplifier between your multi-channel front speakers and your stereo front speakers when listening to surround sound or 2ch stereo. Front Height/Wide speakers are not available. A separate amp must be used for Zone 2 and Zone 3.
    • 5.1Ch + Front B: Assigns five amplifier channels of the receiver to the Main Zone for up to 5.1ch playback and two amplifier channels to power another pair of speakers, often called "Speaker B".  Surround Back, Front Height, and Front Wide speakers are not available. A separate amplifier must be used to power Zone 2 and Zone 3.
    • 9.1Ch (SB/FH/FW): Assigns all seven internal amplifiers to the receiver's main zone and also requires a 2ch external amplifier for 9.1ch playback. The Front L/R, Center, Surround L/R, Front Height, and Front Wide L/R speakers are powered by the internal amps. The receiver will automatically switch between the Front Height (Pro Logic IIz) and Front Wide (Audyssey DSX) speakers based on soundfield setting. The Surround Back L/R speakers will need to be powered by an external 2ch amplifier. Zone 2 and Zone 3 also require separate amps.

    24-bit/192kHz DACs + AL24 Processing Plus Technology:  This receiver is equipped with dual 24-bit/192-kHz DACs on all channels to decode and playback high-resolution recordings with less jitter and clearer sound. The AVR-X4000also offers AL24 Processing Plus for all channels (including Front L/R, Center, Surround L/R, and Sub). Denon's proprietary AL24 Processing, an analog waveform reproduction technology, expands the original 16-bit audio data to 24-bits; and can support up to 192kHz sampling frequency. AL24 Processing Plus thoroughly suppresses quantization noise (the difference between the actual analog signal and the quantized digital signal) associated with D/A conversion of LPCM signals to reproduce the low level signals with optimum clarity that will bring out all the delicate nuances of your movie & music soundtracks.

    Dynamic Discrete Surround Circuit (D.D.S.C.-HD): The AVR-X4000 is equipped Denon's Proprietary Dynamic Discrete Surround Circuit-HD, featuring a dual high-speed 32-bit floating point DSP processors for high-quality surround audio performance. All elements of the Surround Processor are optimized to the highest standards by the use of selected high performance and discrete components, particularly the A/D and D/A converters and the sophisticated DSP surround decoder.

    Hybrid PLL Jitter Reducer: The AVR-X4000 is equipped with a "Hybrid PLL Jitter Reducer" that is capable of reducing jitter and phase noise that negatively affect sound quality. The "Hybrid PLL Jitter Reducer" provided with this unit improves the sound localization, reproducing a natural sound field that is closer to the original soundtrack.

    Denon Link HD Jitter Free Audio: The AVR-X4000 also incorporates Denon Link HD, Denon's proprietary jitter-free audio transmission technology, which is designed to work with Denon's DBT-3313CI Universal Blu-ray Player (033DBT3313, sold separately). This feature separates out the timing data from the HDMI stream, allowing the receiver to re-clock the data with maximum precision, eliminating distortion-causing jitter for pristine sound quality. This technology transmits digital sound by transmitting the Denon A/V receiver's master clock signal to your DBT-3313UDCI and operating the ICs (integrated circuits) on both sides based on a shared, uniform clock signal. In digital signal transmissions over conventional HDMI connections, the ICs are operated with separate clock signals, resulting in considerable jitter and loss of resolution in the sound. Denon Link HD works not only with Blu-ray disc, but with all HDMI digital output signals; including DVD, DVD-Audio, Super Audio CD, music CD, and music streamed from a network.

    Multi-Channel Decoding Formats: The Denon AVR-X4000 AV receiver supports the following multi-channel (Dolby Digital, DTS, Dolby Pro Logic) decoding formats.

    Note: Dolby Digital and DTS listening modes can only be selected if your audio source is connected to the AV receiver via a digital audio connection (HDMI, optical, or coaxial). To enjoy true 7.1ch Dolby Digital TrueHD and DTS-HD surround sound, the receiver must be connected to your Blu-ray player via HDMI.

    Denon Original Listening Modes: Denon's Original Listening Modes, combined with Dolby Digital/DTS/Dolby Pro Logic processing, produce more realistic, powerful sound effects for your movie and music sound tracks based on the type of content and your home theater setup. You can choose from the following:

    • Rock Arena: For rock and popular music sources, this mode surrounds you with reflected sound of the kind you would hear at a live concert.
    • Jazz Club: This mode recreates the atmosphere of a live house where the ceiling is low and you are enveloped with rich doses of reflected sound.
    • Matrix: With this mode, you can add rich reflected sound to 2-channel stereo music sources where reflected sound is normally not audible.
    • Video Game: This mode is suited for achieving surround sound with video games..
    • Mono Movie: This mode is used when you listen to recorded monaural sound sources such as AM radio broadcasts or news programs from the center speaker.
    • Virtual: Enjoy surround effects using only the front speakers or set of headphones.
    • Multichannel Stereo: Left and right stereo channels are distributed to all the speakers so that stereo sound can be heard from all directions at any listening position.
    Note: This unit automatically generates a list of all the playable sound modes based on the input audio format and the current speaker setup configuration and displays the list on the screen. Therefore, you can select a correct surround playback mode even if you are not familiar with sound mode selection.

    Direct Listening Modes: The Denon AVR-X4000 offers two Direct Listening Modes which bypass the receiver's tone & DSP processing for higher sound quality performance. Direct Mode provides playback of 2ch or Multichannel audio in its original form, without any surround or tone processing. Pure Direct Mode goes a step further by turning off the receiver's display and analog video circuitry to minimize the possibility of any noised being added to the audio signal.

    Audyssey Technology: The AVR-X4000 features a full package of Audyssey audio technologies for optimal sound quality. Audyssey Dynamic Volume offers real-time volume adjustment, while Audyssey DynamicEQ improves your system's surround effects during low volume levels. Audyssey MultEQ XT32 automatically sets speakers and subs to suit your room's listening environment and the speakers' characteristics. The AVR-X4--- also features two Audyssey technologies (Sub EQ HT & LFC) designed to optimize bass performance. The AV receiver even offers Audyssey DSX which adds front speaker effects.

    • Audyssey MultEQ XT32: Audyssey MultEQ XT32 technology helps create an optimal acoustic profile for your home theater. Using the included setup microphone, Audyssey MultEQ XT32 measures sound levels and adjusts speaker configuration accordingly, making setup fast and easy. This room acoustic measuring and correction system analyzes (via the included microphone) the audio characteristics of your speaker system and your listening environment at up to 8 measurement points and automatically tailors the sound for top audio fidelity. You can set the Audyssey MultEQ XT to one of the following modes.
      • Audyssey: Optimizes the crossover point, output level, delay time, and equalization of all speakers based on speaker frequency response, speaker location, and room acoustics.
      • Audyssey Bypass L/R: Optimizes all speakers except front left and right.
      • Audyssey Flat: Optimizes frequency response of all speakers to flat.
      • Manual: Adjusts the tonal quality for each speaker individually using the manual equalizer settings (63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, and 16 kHz); from -20 to +6 dB .
      • Off: Turns equalizer off.
    • Audyssey Sub EQ HT: Audyssey Sub EQ HT provides individual tailoring for each subwoofer in a dual subwoofer setup, delivering the optimum combination of highest deep bass output and lowest distortion.
    • Audyssey LFC: Audyssey LFC processing analyses and processes bass content on a continuous basis and custom tailors the sound via advanced psychoacoustic algorithms to deliver dynamic bass response within the listening room without annoying family members or neighbors in adjacent rooms.
    • Dynamic EQ: Audio engineers mix music and movie soundtracks at reference levels much louder than typical home listening levels. At lower volumes the human ear perceives sound differently; voices change, bass dissipates, and the surround effect becomes less enveloping. Dynamic EQ adjusts the frequency response curve based on volume to maintain consistent bass output, octave-to-octave balance, and surround impact, resulting in rich sound at any volume. You can set the Dynamic EQ to 0, 5, 10, or 15 dB.
    • Audyssey Dynamic Volume: Audyssey Dynamic Volume solves the problem of large variations in volume level between television programs, commercials, and between the soft and loud passages of movies. Dynamic Volume addresses the issue of commercials that are too loud and movie soundtracks with vast differences between soft and loud passages; the results are more intelligible dialogue, loud passages maintain impact, and soft whispers are heard clearly. When the volume level changes, Dynamic EQ also adjusts the frequency response to maintain sound quality. You can set the Dynamic Volume to Day (low), Evening (middle), Midnight (high), or off.
    • Audyssey Dynamic Surround Expansion (DSX): Audyssey DSX adds front effect speakers to improve spatial sound reproduction. Starting with a 5.1 channel system, DSX adds front Wide and/or front Height channels for better sound staging (although both wide and height speakers can be added, only one pair is used at a time). DSX also applies Surround Envelopment Processing to enhance the blend between the front and surround channels.

    Surround Parameters: You can adjust the following surround mode parameters:

    • Dolby Pro Logic II Music Settings: While listening in the Dolby Pro Logic II Music format, there are three further enhancements you can adjust:
      • Panorama: Broadens the front stereo image to the surround speakers to provide a wraparound effect, especially effective when there is limited output from the surround channels, panorama can be turned on/off in the menu.
      • Dimension: Allows you to move the sound field forward or backward.
      • Center Width: Allows you to adjust the width of the center channel.
    • Center Image: In the Neo:6 Music mode, the Center Image feature adjusts the output of the left and right channels relative to the center channel, allowing you to make the center channel more or less dominant as needed. This improves the image of the center channel, especially when the listener is off-center. Adjustment varies from 5 (nothing subtracted from the L/R channels) to 0 (L/R channel output is cut in half).
    • Denon Original Surround Mode Settings: While listening in one of the Denon Original Surround Modes, there are three further enhancements you can adjust:
      • Room Size: This feature allows you to set the size of your desired acoustic environment when using specific Denon Original Surround Modes; select Small, Medium small, Medium, Medium large, or Large.
      • Effect Level: This function adjusts the effect signal level from 1 to 15 when using specific Denon Original Surround Modes.
      • Delay Time: This feature adjusts the delay time (0-300ms) to control the sound stage size.
    • Height Gain: Adjust the volume (Low/Mid/High) of the Front Height channels in Dolby Pro Logic IIz.
    • Audyssey DSX Settings: While listening in the Audyssey DSX audio format, there are two further enhancements you can adjust:
      • Stage Height: adjust sound stage height (+/-10) when using front height speakers
      • Stage Width: adjust sound stage width (+/-10) when using front wide speakers
    • Center Gain: During DTS NEO:X, this function distributes the dialog output from the center channel to the front left and right channels and widens the sound image in t he front.

    Audio Enhancements: The Denon AVR-X4000 receiver provides various audio enhancements to deliver a high-quality listening experience every time.

    • CINEMA EQ (Cinema Equalizer): The Cinema EQ function gently decreases the level of the extreme high frequencies, compensating for overly-bright sounding motion picture soundtracks. Select this function if the sound from the front speakers is too bright. This function only works in the Dolby Digital, DTS, Dolby Pro Logic (including PL II, PL IIx, PL IIz), and DTS Neo:6 modes.
    • Restorer: Compressed audio formats such as MP3, WMA (Windows Media Audio), and MPEG-4 AAC reduce the amount of data by eliminating signal components that are hard for the human ear to hear. The Restorer function generates the signals eliminated upon compression, restoring the sound to conditions near those of the original sound before compression. It also corrects the sense of volume of the bass to obtain richer sound with compressed audio signals.
    • Dynamic Range Compression (DRC): Motion picture soundtracks have tremendous dynamic range (the contrast between very soft and very loud sounds). For listening late at night, or whenever the maximum sound level is lower than usual, Compressing the dynamic range allows you to hear all of the sounds in the soundtrack with reduced dynamic range. DRC works when playing program sources recorded in Dolby Digital or DTS.
    • Tone Settings: You can independently adjust the system's overall Bass and Treble settings from -6 to +6 dB.

    Volume Settings: The AVR-X4000 offers the following volume settings.

    • Volume Scale: You can choose to display an Absolute volume scale (0-98) or Relative volume scale (-79.5 to 18dB).
    • Volume Limit: You can set a maximum volume level of 0, -10, or -20 dB to limit the receiver's total volume output.
    • Power On Level: You can define the volume setting that is active when the power is turned on (0, 1-98, -79 to +18dB, or Last)
    • Mute Level: You can set the amount of attenuation for the audio muting circuit; -40dB or -20dB below current volume, or full mute (sound turned off entirely).

    Level Adjustments:  The AVR-X4000 provides the following level adjustments.

    • Source Level: This function adjusts the playback level of the currently selected input source's audio input. Use this feature if there are differences in the input volume levels between different sources. You can correct the playback level of the audio input from -12 to +12dB.
    • Dialogue Level: You can adjust the output level (+/-12dB) to clarify the dialogue output from the center channel.
    • Subwoofer Level: You can set the receiver's subwoofer output level (+/-12dB) independent from the other speaker levels and system's main volume.

    Audio Inputs/Outputs: The Denon AV receiver offers a variety of analog and digital audio inputs/outputs.

    • Assignable Digital Inputs: The AVR-X4000 features two optical digital (Toslink) inputs and two coaxial digital inputs. Each input can be assigned to any of the different input sources, except Tuner.
    • Speaker Terminals w/ Color Labels: The receiver has binding-post terminals for all speaker connections. The binding-post terminals can accept bare wire, pin connectors, and banana plugs (single/dual). The receiver will accept speaker impedances of 6 to 16-ohm. The AV receiver comes with color labels to easily identify which channel a speaker cable should be connected to. Since the speaker cables have labels in the same colors as the connectors on the AVR-X4000's rear panel, there's no longer any confusion about which terminals they should be connected to.
    • 11.2Ch Pre-Outs: The AV receiver features 11.2ch pre-amp outputs (Front L/R, Center, Surround L/R, Surround Back L/R, Front Height L/R, Front Wide L/R, and Dual Subs) for connection to external power amplifiers.
    • Phono Input: The Denon AVR-X4000 is fitted with a Phono input (MM), so you can connect your turntable and listen to your vinyl records with high-quality sound.
    • Headphones: When headphones are plugged into the full-size 1/4" jack on the front panel, all the speakers are automatically muted.

    Video Features

    7 HDMI Inputs/3 HDMI Outputs: With seven HDMI v1.4 inputs (6 rear/1 front), the AVR-X4000 allows you to route multiple high-definition devices, such as your Blu-ray player and cable/satellite receiver, to your TV. It also allows you to connect all of your devices to up to three TVs with a HDMI cable (via its three HDMI outputs; two parallel and one discrete), reducing cable clutter. The two parallel HDMI outputs distribute the same video signal simultaneously to two separate displays. The discrete HDMI output allows you to play a different audio/video source in another zone. The HDMI inputs are assignable to different input sources. The receiver's HDMI v.1.4 jacks are compatible with 1080p/24Hz & 4K video, 3D video signals, Deep Color & x.v.Color technology; as well as LipSync, ARC, and HDMI control.

    • 3D Pass-Through: With the advent of 3D media, it is important to own a receiver that recognizes 3D video signals. The AVR-X4000 is able to pass through 3D signals from your Blu-ray player, ensuring that the 3D effect doesn't get lost in translation. It also recognizes signals from 3D television broadcasts. By connecting a 3D-compliant Blu-ray disc player and 3D-compliant TV to the AVR-X4000, you will have a 3D home theater where you can enjoy high-definition sound and video on a level you've never experienced before.
    • Deep/x.v.Color Support: The AVR-X4000 also supports Deep Color and x.v.Color content, which can display a larger color range than standard-definition schemes. The result is a more lifelike, vibrant picture.
    • LipSync: If needed, the audio signal can be manually delayed to match the video signal; adjust from 0-200ms.
    • ARC (Audio Return Channel): This feature allows audio to be sent from your compatible HDTV to your receiver through the same HDMI cable already being used to send audio and video to your HDTV. This eliminates the need for extra cables connected to your television.
    Note: The AV receiver's HDMI 2.0 jacks do not support the latest HDCP 2.2 copyright protection for 4K ultra-HD content, so it will not support 4K content from satellite/cable providers, online video services, and Blu-ray disc which are copyright protected with HDCP 2.2.

    4K Pass-Through + Video Upconversion: The Denon AV receiver's Analog Device 12-bit video processor (ADV8003) supports pass-through of 1080p/24Hz and 4K Ultra HD video. This sophisticated video processor also provides upconversion from standard definition (480i/480p) and high definition (720p/1080i1080p) sources to 4K Ultra HD (3840x2160 pixels), which lets you connect all your analog (composite/component) or digital (HDMI) video sources to the AVR-X4000 and then connect to your HDTV with just a single HDMI cable.

    Note: The receiver's HDMI Zone 2 output does not support analog-to-HDMI conversion, nor does it support HDMI-to-HDMI scaling.

    HDMI Standby Pass-Through: When enabling the HDMI Standby Pass-Through function, regardless of whether the AV receiver is "On" or in "Standby" both audio/video streams from an HDMI input will be output to your television, via the receiver's HDMI monitor output. You can select between three HDMI through function modes.

    • HDMI Input: Selects the HDMI Input (1-4) for which the HDMI Standby Pass-Through function is enabled.
    • Last: The HDMI Standby-Through function is activated on the input source selected at the time of setting the AV receiver to the "Standby" mode.
    • Off: The HDMI Standby Pass-Through function is disabled.

    InstaPrevue: HDMI InstaPrevue Technology provides live video thumbnails of the available content on your devices connected to the receiver via HDMI 1 through 6 inputs (the HDMI 7 input does not support InstaPrevue). As a result, you can preview audio/video streams coming from up to 5 HDMI inputs previously assigned to input selectors on your HDMI connected TV, while enjoying viewing another source input.

    Analog Video Inputs: The receiver features four composite video inputs (3 rear/1 front) and one composite video output. There is also two component video inputs and one component video output (60MHz). The composite and component video outputs can be used as monitor outputs or Zone 2 outputs.

    Picture Mode: The receiver provides Picture Mode to adjust the picture quality for your viewing content and environment. You can select from Standard, Movie, Vivid, Streaming, Custom, or Off. The Custom mode lets you manually adjust Contrast, Brightness, Saturation, Hue, Noise Reduction, and Enhancer (sharpness).

    Video Select Function: While listening to Network/Tuner/USB content, you can switch the receiver's video input so you can display video while listening to an audio source.

    Network + Tuner Functions

    Network Connection: The Denon AVR-X4000 is equipped with an Ethernet (RJ-45) port that lets you connect the receiver to your home network (LAN) and your broadband internet provider. When connected to your home network, the AVR-X4000 lets you listen to Internet radio and a host of other online music sources from your broadband internet provider, as well as play audio files & display still images from your computer via its network connection (DLNA 1.5 certified). The AVR-X4000 also supports AirPlay that lets you stream your music library from an iPhone, iPad, iPod touch, or iTunes.

    Note: This unit's RJ-45 Ethernet port supports 10BASE-T/100BASE-TX and requires an Ethernet (LAN) category 5 or higher cable, Router, Modem, and Internet connection.

    DLNA 1.5 Certified: The AVR-X4000 is DLNA (Digital Living Network Alliance) 1.5 and Windows 7/8 compliant for audio and photo networking. This means it's easier for you to access and enjoy digital music and still-images (JPEG) stored on your Windows PC. You can use your PC to play high-bit rate music content through the A/V receiver and view still-images on your connected TV, or use the AVR-X4000's remote control to browse music & photo files on your hard drive. The receiver also supports ID3-Tag (ver.2) and META tag information; so song title, artist name, and album name can be displayed the unit's front-panel display or on-screen menu. In addition the unit will display Album Art on a connected television. The Denon AVR-X4000 supports the following audio formats, sampling frequencies, and bit rates via its wired network connection.

    Compatible Audio Formats Sampling Frequencies Bit rate Extension
    WMA (Windows Media Audio) 32/44.1/48 kHz 48-192 kbps .wma
    MP3 (MPEG-1 Audio Layer-3) 32/44.1/48 kHz 32-320 kbps .mp3
    WAV 32/44.1/48/88.2/96/176.4/192 kHz 16-bit .wav
    MPEG-4 AAC 32/44.1/48 kHz 16-320 kbps .aac/.m4a/.mp4
    FLAC (Free Lossless Audio Codec) 32/44.1/48/88.2/96/176.4/192 kHz 16/20/24-bit .flac
    ALAC 32/44.1/48/88.2/96 kHz N/A .m4a
    Note: Your computer must meet the following system requirements - Windows Media Player Network Sharing Service or Windows Media DRM10. Album Art is only displayed when using Windows Media Player (ver.11/12).

    Online Services: The Denon AVR-X4000 lets you access Internet Radio, as well as other online music and photo services from your broadband Internet connection. Currently the AVR-X4000 supports Internet Radio from vTuner, Pandora, Spotify, and SiriusXM; as well as the Flickr online photo sharing site (as of 3/19/2013). The Denon receiver offers on-screen menu display and control over these web services.

    Online Services Description
    vTuner The online vTuner service which offers easy browsing of internet radio stations and podcasts. vTuner enables access to web-based radio stations and podcasts via an extremely reliable online database with a wide variety of content. Internet Radio stations in MP3 (32-320kbps) and WMA (48-192kbps) format are supported. You can browse content by Genre, Location, Language, and Favorites. You can store up to 56 Internet Radio stations as presets. The unit will automatically save up to 20 of the most recently played stations.

    Pandora

    Once the network audio player is registered with your Pandora account, you can listen to the automated music recommendation and Internet Radio service. You can create up to 100 personalized radio stations. You can sort tracks within these radio stations. You can skip up to 6 tracks that are being played back within 1 hour. You can also thumbs-up/thumbs-down and bookmark tracks. In Pandora, you can search for the track name or artist name using "keyword" searches. When the search is complete, tracks that have a similar rhythm or sound are streamed.
    Spotify Spotify is a digital music service that gives you on-demand access to one of the largest music libraries in the world (over 15 million tracks and counting). Spotify makes it easier than ever to discover, manage, and share music with your friends. You can browse music by artist, album, track, or most popular; and create your own music library with customized playlists. A Spotify Premium subscription is required.
    SiriusXM SiriusXM Internet Radio lets you listen to over 120 channels of commercial-free music, talk radio, news, sports, entertainment, and more.
    Flickr Flickr is an online photograph sharing service that started in 2004. You can use this unit to view photographs on a connected TV that have been made public by Flickr users. You will need to setup an Flickr account to download, upload, and view photographs.

    Favorites: You can add up to 100 items as "Favorites" from vTuner, Pandora, SiriusXM, Flickr, and your media server for easier, quicker access.

    HD Radio Tuner: In addition to receiving standard analog AM and FM broadcasts, the AVR-X4000 features a built-in HD Radio tuner. HD Radio technology brings digital radio to conventional analog AM and FM radio stations, with improved sound quality, better reception, and new data services. HD Radio technology provides CD-quality sound for FM stations, and FM-quality sound for AM stations. In addition, FM HD Radio station can transmit multiple programs on the same frequency by using multicast channels. Text data display includes station name, song title, artist name, etc.

    • Station Text: AM/FM digital stations can offer text and data such as artist names and song titles.
    • Multicasting: Many HD Radio stations also offer more than one channel of programming. This service is called multicasting.
    • Station Presets: You can store up to 56 radio stations presets (8 stations each in 7 separate banks) and name each preset with an 8 character ID.
    • Direct Frequency Tuning: You can enter the receiving frequency directly to tune in a station, using the supplied IR remote control.
    Note: HD Radio is the system for digital AM and FM broadcasting in the U.S. More than 2,000 radio stations are broadcasting their primary signals in digital HD Radio technology, as a free service. Go to www.hdradio.com to check for HD Radio stations in your area.

    Web Control: You can control this A/V receiver from a web control screen on your Windows PC's web browser. The AVR-X4000 and your PC must be connected to the same home network.

    Software Updates: Using the receiver's network/internet connection, you can check for and update the latest firmware from the online Denon server. Visit Denon's Support Site for more details. The tested Denon AVR-X4000 contained firmware version 5330-4916-6420 (as of 5/23/2013).

    iPod/USB Integration

    AirPlay Compatible: AirPlay lets you stream your favorite songs directly from your Apple iOS (4.3+) device or from your iTunes (10.1+) library on your Windows PC or Mac computer to the AV receiver, over your home's wireless network connection. From your Apple iOS device you are able to stream stored music on your device, downloaded music apps, and music on your iCloud to the AV receiver. From your Windows or Mac you can stream your stored iTunes music library on your computer to the AV receiver; you can even download Apple's free Remote App onto your compatible iOS device to browse and control playback functions of the the music stored in your iTunes music library on your computer that is being streamed to the AV receiver. With AirPlay you also get to see song/artist information and album art via the receiver's on-screen menu (via HDMI).

    Note: To use the AirPlay feature you need a Mac or Windows-based PC running iTunes (10.1 or later) connected to your wireless home network. Your iPod touch, iPhone, and iPad must have iOS 4.3 or later installed and connected to the same wireless home network.

    iPod/iPhone Direct: The Denon AV receiver is fitted with a front-panel USB (type-A) port and HDMI port for playback of audio and video files from select iPod, iPhone, or iPad devices.

    • Audio Playback: The AVR-X4000 supports digital music playback from an iPod, iPhone, or iPad using its front-panel USB (type-A) port. Simply plug your compatible Apple device into the receiver's front-panel USB port, using the cable that came with your iPod/iPhone/iPad. Stored music and music apps from your connected Apple device can be played through the AV receiver, bypassing the iPod/iPhone D/A converter for better sound quality. The iPod/iPhone/iPad can be controlled by the receiver's remote, or you can continue to use the Apple device's clickwheel or touchscreen. You can search for stored music on your iPod/iPhone/iPad by Playlist, Artist, Album, Song, Podcast, Genre, Composer, or Audiobook. Song/artist information and Album Art from stored music and music apps on your iPod/iPhone will display on your connected TV via HDMI (song/artist text will also display on receiver's front-panel display).
    • Video Playback: You can also view video from stored movies and movie apps from select iPods, iPhone, and iPads by connecting your Apple device to the AV receiver's front-panel USB and HDMI input. Use the Apple Lightning-to-Digital AV Adapter (472LT2HDMI sold separately), the Apple Lightning-to-USB cable that came with your device, and a HDMI cable (sold separately) to connect your Apple device with Lightning-connector to the AV receiver. Use the Apple Dock-to-Digital AV Adapter (47230PHDMI, sold separately), the Apple Dock-to-USB cable that came with your device, and a HDMI cable (sold separately) to connect your iPod touch (4th gen), iPhone 4/4S, or iPad (1/2/3). Using the HDMI input, video from your iPod/iPhone/iPad can only be navigated from your Apple device's clickwheel or touchscreen.
    Note: Your Apple iPod/iPhone's battery will be charged while connected to the receiver (max. 1A). This unit will not charge the iPad.

    Apple Device Compatibility Chart: The Denon AVR-X4000 is "made for iPod/iPhone" and supports the following iPod/iPhone model functions (as of 9/24/2014).

    Apple Device Generation Tested Version Connector Type Media Type Control Type Display Type Charge
    USB AirPlay Audio Video Remote iPod/iPhone Album Art Artist/Song Text Track Info
    iPad 1 5.1.1 Y Y Y O Y Y N Y Y N
    2 8.0 Y Y Y O Y Y N Y Y N
    3 8.0 Y Y Y O Y Y N Y Y N
    4/air 8.0 Y Y Y O Y Y N Y Y N
    mini 8.0 Y Y Y O Y Y N Y Y Y
    iPhone 2G 3.1.3 Y N Y O Y Y N Y Y Y
    3G 4.2.1 Y N Y O Y Y N Y