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Harman Kardon HK 3770

Stereo receiver with wired networking and Bluetooth®

77 Reviews | 24 questions - 71 answers

Overview

Our take on the Harman Kardon HK 3770

When you want your music to sound its best, you just can't beat a good two-channel stereo. Connect your speakers to the Harman Kardon HK 3770 and this powerful receiver will bring those tunes to life the way they were meant to be heard. Whether you're listening to songs from a CD, turntable, networked computer, or a smartphone, this receiver has the connectivity to play them and the brawn to bring out their dynamics and detail. Digital inputs even allow it to improve the sound of TVs and streaming media players like Apple TV®, too. With so much versatility, this receiver goes above and beyond old-school models, while retaining classic Harman Kardon sound.

Modern connectivity, backed by classic sound

When you want your music to sound its best, you just can't beat a good two-channel stereo. Connect your speakers to the Harman Kardon HK 3770 and this powerful receiver will bring those tunes to life the way they were meant to be heard. Whether you're listening to songs from a CD, turntable, networked computer, or a smartphone, this receiver has the connectivity to play them and the brawn to bring out their dynamics and detail. Digital inputs even allow it to improve the sound of TVs and streaming media players like Apple TV®, too. With so much versatility, this receiver goes above and beyond old-school models, while retaining classic Harman Kardon sound.

Clean sound from a new "green" technology

Harman Kardon has been working to make their receivers more energy efficient without compromising sound quality. The HK 3770 represents the fruits of their labor. It utilizes Harman Kardon's GreenEdge™ technology. Rather than redesigning the high-current Class AB amplification stage, this receiver features a new digital power supply. Unlike conventional analog power supplies, this new digital design uses less energy, fewer raw materials, and produces less heat. The result is a lightweight, efficient, eco-friendly receiver that delivers the same sonic benefits we've come to expect from this audio innovator.

Enjoy wireless music from smartphones, tablets, and computers

The HK 3770 offers two ways to stream music wirelessly. Built-in Bluetooth lets you stream tunes from a smartphone, tablet, and even some computers without a home network. It's the easiest way to enjoy your digital music collection with room-filling sound. If you have a large digital collection stored on a networked computer or NAS, the HK 3770 is Internet-ready. Connect it to your network router and stream music from your computer over your wireless home network. You can also listen to thousands of free Internet radio streams from stations around the world, going far beyond the reach of the built-in AM/FM tuner. Download the free Harman Kardon remote app to your iOS® or Android™ device and use it to control the receiver. App control requires a wireless home network and a wired connection between your receiver and your network router.

Connect your iPhone or USB thumb drive

The USB port on the HK 3770's front panel lets you plug in your iPhone®, iPod®, or iPad® to listen to music. This connection bypasses the device's digital-to-analog converters in favor of the receiver's high-performance DACs. That means you'll get smoother sound with more detail than your iPhone can deliver on its own. You can also use the receiver's remote to control playback with connected Apple® devices. The USB port is also great for playing digital music files on thumb drives by popping them into the USB port.

Product Highlights:

  • 120 watts x 2 (stereo) into 8 ohms (20-20,000 Hz) at less than 0.07% THD
  • GreenEdge technology combines an energy-efficient, lightweight digital power supply with standard Class AB amplification
  • Internet-ready for listening to music from a networked PC
    • stream music from a DLNA-compatible PC or network-attached storage (NAS) device
    • built-in support for listening to free Internet radio station streams with vTuner
  • built-in Bluetooth for wirelessly streaming music and audio from compatible smartphones, tablets, and computers
  • 24-bit/192kHz digital-to-analog converters
  • free Harman Kardon Remote app lets you use your Apple or Android device as a Wi-Fi® remote
  • front-panel USB port for connecting an iPhone, iPad, iPod, or playing music from a thumb drive (WAV, MP3, WMA)
    • does not support Apple Lossless files
  • 6 pairs of RCA stereo inputs, including phono input (MM)
  • digital inputs: 2 optical, 1 coaxial
  • preamp output for a powered subwoofer
  • stereo RCA outputs for recording
  • A/B speaker switching
  • binding post connectors for two pairs of speakers
  • 1/4" headphone jack
  • Ethernet port for network connection
  • AM/FM tuner
  • remote control
  • 17-3/8"W x 5-1/4"H x 12-15/16"D
  • weight: 13.2 lbs.
  • warranty: 2 years
  • Our 60-day money-back guarantee

What's in the Box:

  • Stereo receiver with attached 6' AC power cord
  • Remote control
  • 2 "AAA" batteries
  • FM antenna
  • AM antenna
  • Quick Start Guide
  • Important Safety Instructions
Reviews

Harman Kardon HK 3770 Reviews

Average Customer Review(s):

(77 Reviews)
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Details

Hands-on research

Product Research

Audio Section
Network & Tuner Functions
USB/iPod Integration
Bluetooth & Remote Control

Audio Section

Output Power: The Harman/Kardon HK3770 stereo receiver features a 120 watt x 2-channel (8-ohms, 20Hz-20kHz, THD 0.07%) amplifier for great sound quality with little distortion even at high volumes.

High-Resolution 24-bit/192kHz DAC: This stereo receiver is equipped with a 24-bit/192-kHz DAC for excellent sound quality reproduction that is natural sounding.

Harman Volume: Harman volume is an advanced digital signal processing technology to control playback volume. It evens out the volume level on everything you watch, improving your listening experience. Once you choose the volume level, Harman Volume does the rest. It helps you avoid volume increases from commercials, volume differences when you change channels or switch sources, and brings out the dialog.

Analog Inputs/Output: The Harman/Kardon stereo receiver features five analog stereo RCA inputs to connect up to five audio components, and one stereo RCA record output to connect to a CD-recorder and other recording device. Included in the five analog inputs is a Phono input (MM) for vinyl playback.

Digital Inputs: The HK3770 receiver is equipped with two optical (toslink) digital inputs and one coaxial (RCA) digital input for connection of a TV or media streaming device.

Phono Input: In addition to the five analog inputs, the stereo receiver is fitted with a Phono input (MM) for vinyl playback.

A & B Speaker Terminals: This receiver features two sets of speaker outputs (A & B), each with binding-post terminals. You can independently turn on or off each pair of speakers, as well as play both pair of speakers. The speaker pairs are wired internally in parallel. These binding post terminals will accept bare wire (up to 10AWG), pin-connectors, and banana plugs (single or dual).

Subwoofer Output: The stereo receiver is equipped with a mono subwoofer output for connecting a powered subwoofer. The output is full-range, so you will need to connect a powered subwoofer with a built-in crossover.

Headphone Jack: There is a full-size (1/4") headphone jack on the front panel. When headphones are plugged in the speaker outputs are automatically muted.

Network & Tuner Functions

Ethernet LAN Port: The H/K stereo receiver is fitted with a RJ-45 Ethernet (LAN) port to connect the receiver to your home network to access your DLNA music server or Internet Radio.

Internet Radio (from vTuner): You can also listen to Internet radio stations using the vTuner Internet Radio Station database service particularly customized for this unit, providing a database of numerous radio stations around the world. You can search for Internet Radio stations by Location, Genre, New, Popular, or Podcast. You can store up to 30 of your favorite stations.

DLNA Certified: The HK3770 is DLNA (Digital Living Network Alliance) 1.5 and Windows 7/8 compliant for audio networking. This means it's easier for you to access and enjoy digital music stored on your PC. Compatible music files include MP3 (32-320kbps; 8-48kHz) and WMA (5-192kbps; 8-48kHz). You can use your PC to play music content through your audio system, or use the H/K receiver to browse and play music files on computer's hard drive. You can control playback of your streamed audio files from the network receiver's remote control. The receiver also supports ID3-Tag and META tag information so song title, artist name, and album name can be displayed from the unit's front-panel display.

AM/FM Tuner: The Harman/Kardon stereo receiver features a built-in AM/FM tuner with manual, seek, and preset tuning (auto/manual). You can store up to 30 AM/FM presets (in any combination). You're able to scan through these presets (5-seconds each) to help you search for your favorite music. You also can tune directly to a station using the numeric keypad on the included remote control.

USB/iPod Integration

Front-Panel USB Port: This stereo receiver is equipped with a front-panel USB (type-A) port that allows you to enjoy playback of MP3 (32-320kbps; 8-48kHz) and WMA (5-192kbps; 8-48kHz) music files from a USB mass storage class memory device; such as select Android smartphones (Froyo/Gingerbread OS only), portable MP3 players, or USB thumbdrives (not compatible with USB HDDs). The USB device must be formatted in FAT or FAT32. Using the unit's front-panel display and included remote control, you can browse your stored music files on your connected USB memory device. USB portable audio devices that can be charged via USB will be charged when plugged into the network stereo receiver's USB port (5V/0.5A).

Note: This unit does not support AAC or Apple lossless files.

iPod/iPhone Direct: The USB (type-A) port on the front-panel provides convenient connection for your iPod/iPhone so you can listen to your stored music and music apps through the H/K stereo receiver. The iPod/iPhone USB digital connection means that the digital audio signal from your iPod/iPhone is transmitted directly to the system, minimizing noise interference and allowing use of the receiver's DAC, not the DAC in your iPod/iPhone. This results in more precise sound reproduction. You can choose to control your Apple device from its clickwheel/touchscreen or from the receiver.. Basic playback functions (such as Play/Pause, Previous/Next Track) can be controlled by the receiver's remote. Song/artist information on your iPod/iPhone will display on your connected the unit's front-panel display. Your iPod/iPhone's battery will be charged while connected to the receiver. Using the Lightning- or Dock-cable that came with your Apple device to connect directly to the H/K stereo receiver, iPod/iPhone compatibility is as follows (as of 9/25/2014):

Apple Device Generation Tested Version Media Type Control Type Display Type Charge
Audio Video Remote iPod/iPhone Artist/Song Text Track Info
iPad 1 5.1.1 Y N Y Y Y Y Y
2/3 8.0 Y N Y Y Y Y Y
4/air 8.0 Y N Y Y Y Y Y
mini 8.0 Y N Y Y Y Y Y
iPhone 2G 3.1.3 Y N Y Y Y Y Y
3G 4.2.1 Y N Y Y Y Y Y
3GS 5.1.1 Y N Y Y Y Y Y
4 7.1.2 Y N Y Y Y Y Y
4S 8.0 Y N Y Y Y Y Y
5/5C/5S 8.0 Y N Y Y Y Y Y
6/6+ 8.0 Y N Y Y Y Y Y
touch 1st 2.2.1 Y N Y Y Y Y Y
2nd 4.2.1 Y N Y Y Y Y Y
3rd 5.1.1 Y N Y Y Y Y Y
4th 6.1.2 Y N Y Y Y Y Y
5th 8.0 Y N Y Y Y Y Y
nano
2nd 1.1.3 Y N Y Y Y Y Y
3rd 1.1.3 Y N Y Y Y Y Y
4th 1.0.4 Y N Y Y Y Y Y
5th 1.0.2 Y N Y Y Y Y Y
6th 1.2 PC Y N Y Y Y Y Y
7th 1.02 PC Y N Y Y Y Y Y
classic 80GB 1.1.2 Y N Y Y Y Y Y
120GB 2.0.1 Y N Y Y Y Y Y
160GB 2.0.4 Y N Y Y Y Y Y
Note: Apple iPod/iPhone software updates may change functionality results. If you download a newer software version, you may need to reset the unit and your iPod/iPhone to regain functionality. If this doesn't work, you may need to wait until a newer software update is available.

Remote Control

Built-in Bluetooth: The Harman/Kardon receiver features built-in Bluetooth with support for profiles A2DP 1.2 and AVRCP 1.3. You'll be able to wirelessly stream stored music and music apps from your Bluetooth-enabled Apple device, Android smartphone/tablet, portable audio player, laptop, or PC to the H/K receiver. You will also be able to control basic playback functions (Play/Pause, Fast Forward/Rewind, Previous/Next Track) using the receiver's remote control. Advanced music operation will still need to be handled from your Bluetooth-enable device. There is no song/artist information display on the receiver's front-panel display. Continue to use your Bluetooth device's screen to view song/artist info.

Note: Due to the differences in Bluetooth technology, some Bluetooth enabled devices may be incompatible, function improperly, or may not support all features when used with the H/K receiver.

Remote Control: The HK3770 comes with an IR remote control for wireless operation of the receiver and your connected USB or iPod device.

H/K Remote App: Downloading the free Harman/Kardon Remote app from the iTunes App store onto your Apple iOS (5.0+) device or from the Google Play Store onto your Android (2.2+) device lets you control the HK3770 receiver from your smartphone or tablet device. You'll also be able to control your Apple iOS or Android device's stored music from the Harman/Kardon Remote app.

  • Source Selection: You'll be able to access and select all of the receiver source inputs (Analog 1-5 inputs, Phono input, Optical/Coaxial, DLNA, vTuner, Bluetooth, USB, or iPod) through your Apple iOS or Android device with the Harmon/Kardon Remote app installed.
  • Audio Settings: You have control of the receiver 's Volume and other audio adjustments through the Harman/Kardon Remote app and your Apple iOS/Android device.
  • Music Control: You can control all the music you have stored on your compatible Apple iOS/Android device through the Harman/Kardon Remote app. You'll be able to search your music by Song, Artist, Album, Playlist, and Genre. You also get basic playback functions such as Play/Pause, Previous/Next Track, Fast Forward/Rewind, and Repeat/Random. To access music apps, you'll need to exit the Harman/Kardon Remote app and select your desired music app on your iOS or Android device.

IR Input/Output: There is one minijack (3.5mm) remote input and one minijack (3.5mm) remote output on the rear panel of this unit. If the receiver is placed behind a solid or smoked glass door, the obstruction may prevent the front panel IR sensor from receiving commands from the remote. If the unit is positioned so the front panel IR sensor cannot receive commands from the remote, an optional IR repeater system (sold separately) may be connected to the Remote IR In jack and positioned to accept commands from the remote. The Remote IR Out jack can be connected to the remote input jack of compatible equipment to relay commands to that equipment.

Trigger Output: This minijack (3.5mm) output sends a 12-volt DC turn-on signal to another component that accepts a 12-volt trigger, such as a CD player or powered subwoofer.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Accessories
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

it a HARMAM KARDON can't go wrong [ MIHAEL  Aug 05, 2018 ]
This receiver replaces a much older one that is no longer working very well. Since it will be the hub of my old-school component system, I didn't need a lot of digital bells and whistles. The Bluetooth feature is all I need to stream from an iPad or iPod. The 120-watts are the big selling point, as this unit will be in an open-floor plan kind of space with cathedral ceilings. I'll be able to hear this throughout my unit with one pair of speakers. [ Christine  Apr 18, 2018 ]
HK is a respected name in audio, and the performance/power for the price seemed excellent. Additionally, the new tech options (Bluetooth, etc) were attractive. [ Ian  Dec 30, 2017 ]
Sound quality first, then features [ GEORGE  Dec 27, 2017 ]
Brand name-features. [ Carter  Dec 07, 2017 ]
Update old receiver that drives ceiling speakers in home. [ Terry  Dec 04, 2017 ]
I needed a receiver or preamp for my turntable and headphones. [ Catherine  Nov 25, 2017 ]
Brand has good reputation, Receiver had needed wattage level, and network connectivity. I don't care about Spotify, but I do care about accessing my music and internet radio. [ Eric  Nov 12, 2017 ]
Always wanted an H/K, nice numbers, fits my needs as well. Rock on! [ WADE  Oct 07, 2017 ]
your advisor [ SEAN  Sep 18, 2017 ]
Size, Bluetooth and network options. [ Brian  Sep 08, 2017 ]
Because of my past experience with Harmon Kardon . The fact it had a Phono and Digital inputs. [ Robert J  Jun 12, 2017 ]
Recommendation [ GARY  Jun 10, 2017 ]
HK brand, internet connectivity. [ Robert  May 24, 2017 ]
Harmon Kardon power, quality and sleek style with volume and on/off lighting [ Dennis  May 16, 2017 ]
Cant go wrong with HK [ zac  Apr 02, 2017 ]
I have owned HK receivers for 30 years. Well built, great quality stereo equipment. I can't wait to get this new 3770 and hook it up to play some vinyl. [ Ross  Mar 31, 2017 ]
The power rating was the highest of the mid range receivers and Bluetooth connection [ Anthony  Mar 16, 2017 ]
Great product really works great out by our pool [ S  Mar 15, 2017 ]
Music is a significant part of my life (still have my 1st amp-Technics SU8077-now part of the garage system). 2 years ago my wife and I became disatisfied with the quality of audio (esp. the music) when watching movies. I have a good Bose speaker set up (Acoustimass-connected to a Sony receiver) that I felt was under utilized. So I called Crutchfield and expressed my desire to "feel" the music in movies, and also enjoy Five Finger Death Punch to Anugama. Looking forward to enjoying the music!! [ Steve  Mar 15, 2017 ]
Assistance from Mac. He gave us some choices given our needs and this one seemed to be the best fit. [ Mary  Mar 11, 2017 ]
Bluetooth, internet ready, is the reason I purchased this model. Great price point and Harman Kardon reliability. [ O  Feb 01, 2017 ]
I needed to replace a unit for our living and dining rooms. Discreet background music from a couple of Infinity bookshelf speakers is all we need there. The Harmon Kardon will easily fill the bill. It's capable of so much more. Bluetooth connectivity sealed the deal on this one. [ G512ga  Dec 10, 2016 ]
I like a basic stereo and this one sounds great [ CHARLES D  Oct 09, 2016 ]
Great features pricing and quality [ James  Oct 08, 2016 ]
performance [ Valentin  Aug 16, 2016 ]
Subwoofer out, optical audio out and other fantastic connected features makes this receiver a great value. [ Brian  Jul 31, 2016 ]
Jenny upsold me from a Yamaha rs202 Jenny's Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=112 [ Eric  Jun 03, 2016 ]
Colleague recommended after some research. Will be used in a retail environment. [ Dean  May 18, 2016 ]
I need a good quality stereo receiver for my outdoor pool area. It will be powering 2 pair of Klipsch AW-650 outdoor speakers and HK is among the best out there for the job. The HK3770 has bluetooth technology so I can control everything by my ipad or iphone from outside by the pool. [ Michael  Apr 25, 2016 ]
Lots of bang for the buck [ John  Mar 31, 2016 ]
best receiver on the market for the price [ James  Mar 19, 2016 ]
I wanted a phono input and bluetooth. [ Rebecca  Feb 26, 2016 ]
My 12 year old Pioneer died and I need to hook up a turn table and my tv up to external speekers. [ Richard  Feb 15, 2016 ]
Recommended by Buzz Buzz's Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=53 [ Paul  Feb 09, 2016 ]
wanted bluetooth and also way to hook up to smart TV. also has low standby mode electricity draw - at least according to specs. I returned the Onkyo TX 8050 because it was drawing 28 watts in standby - not what the specs describe. Appreciate how helpful Crutchfield has been. Solid tech support. [ donna  Jan 23, 2016 ]
Ive had good service from harman kardon [ Kenneth Mark  Dec 12, 2015 ]

24 questions already asked

No. Radio Station Presets remain after unit is unplugged [ Ronald  Feb 05, 2018 ]
I've lost power to the entire house a few times since I've purchased the HK3770 and I've never had to reprogram the radio station presets. [ Gregory  Feb 03, 2018 ]
The presets have been saved when the power goes out or when the unit has been unplugged. [ Nicholas  Feb 03, 2018 ]
We have lost the presets once or twice since owning the receiver, but I have not confirmed that this happened from a power outage. I'm guessing it probably did. Jim [ James  Feb 03, 2018 ]
Russ, Im not to sure not the output rating but I purchased two of these and one of them stopped working completely in about 13 months of use. It would be hard form me to recommend them. [ Benjamin  Jan 24, 2018 ]
Why would you use a 6ohm load ? most off the shelf speakers are 8 ohm aren't they ? [ eric  Jan 23, 2018 ]
I have my 1981 Technics turntable plugged in and it works great. Hard to find a new receiver that has a pre amp! I run the sound through Bose 301s so for me its a great system. Love the bluetooth option as well. Good luck. [ Frank  Aug 01, 2017 ]
Yes.... and this amp rocks! [ Kenneth  Jul 31, 2017 ]
Yes [ STEVEN P  Jul 31, 2017 ]
According to the owner's manual, the Harman Kardon HK 3770 receiver goes to standby mode automatically if the following occurs: --For digital sources (Optical/Coaxial), after remaining idle for 15 minutes --For analog sources (USB/FM/AM/Aux/Phono/DLNA/iPod/Bluetooth), after 8 hours with no user input (for example, adjusting volume, navigating through menu options and so on) There does not appear to be any way to turn that feature "off" either. For more details or to discuss further, please feel free to contact an Advisor directly by phone (888.955.6000) or online chat. [ Larry  Jul 18, 2017 ]  Staff
I have no idea what the upper limit is. My USB drive has about 5,000 MP3 files on it. Works great. [ Stuart  Jul 01, 2017 ]
Nice idea. I do not know the Polk's power demands or efficiency. I am driving a pair of Sansui three way monitors, and a pair of two way speakers with no problem. Often both pair simultaneously. The amp feels like it is at least a real 100 or 150 wpc. [ STEPHEN W  Apr 25, 2017 ]
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Kenny  Jan 25, 2017 ]  Staff
Yes it can be [ CHARLES L  Apr 14, 2016 ]
I hate to admit this, but I have no idea. We use the remote to set the internal tonal controls. I will say that I like the HK 3770 and its flexibility with other inputs such as my wife's iPhone to stream music. Sorry I couldn't be more helpful. [ GREG  Apr 13, 2016 ]
The receiver does not have a tape loop like old-style units, so I think the answer is "no". [ JAMES E.  Apr 13, 2016 ]
Yes, I currently run 2 pairs of 8 ohm speakers in parallel. HK is known for high-current designs for gps transient response into low impedances [ KEVIN  Mar 29, 2016 ]
Only 6 to 8 ohms [ JAMES  Mar 29, 2016 ]
This receiver has multiple analog input jacks. So long as you have an analog output source from your tv or dvr, it should work fine. However, there may be better choices for tv. I bought this unit specifically because I have built in speakers throughout my house, and only wanted stereo output. It has Bluetooth which allows me to stream music from my iPad. I recommend you call Crutchfield and tell them how you want to use the unit. They are very good at helping a person make the right selection. [ DANNY  Feb 23, 2016 ]
I did not try directly. I did connect my Blu-Ray player using a digital cable and that works as expected for DCs, DVD/Blu-Rays, and streaming. I don't think my TV has Digital audio out [ CHARLES  Feb 22, 2016 ]
Absolutely. It has both digital and RCA analog inputs, and I have a TV connected to it with the former. Note that because it is a stereo receiver, you won't get surround sound from TV, movies, etc. If that's important to you, you should look at an AV receiver, e.g., 5.1, or 7.1. [ Matthew  Feb 22, 2016 ]
Yeah no problem works great. [ SHAWN  Feb 22, 2016 ]
The following "placement tips" are listed in the Owner's Manual for this receiver: -Maintain a clearance of at least 12"(30cm) on each side of, above and behind the unit. If you install the Stereo receiver in a cabinet or other enclosed area, provide cooling air within the cabinet. Under some circumstances a fan may be required. -Do not obstruct the ventilation slots on the top of the Stereo receiver or place objects directly over them. -Do not place the Stereo recei ver directly on a carpeted surface. -Do not place the Stereo receiver in moist or humid locations, in extremely hot or cold locations, in areas near heaters or heat registers, or in direct sunlight. I hope that helps. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=159 [ Larry  Feb 17, 2016 ]  Staff
No; this model does not offer the monitor loop required for use with the Bose 901 speakers. I usually recommend the Yamaha R-S700 for use with the Bose and it's been a great solution: http://www.crutchfield.com/p_022RS700/item.html I hope that helps! My bio: http://www.crutchfield.com/Support/Bio.aspx?bio=5 [ Ryan  Feb 06, 2016 ]  Staff
No, Bluetooth feed to the receiver but wires to the speakers [ BRIAN  Jan 16, 2016 ]
if the speakers are connected to the receiver you can pair them thru the receiver wirelessly [ DANIEL DEL  Jan 16, 2016 ]
I would think this would be compatible with any speakers [ David  Jan 05, 2016 ]
Not sure about those speakes. I am using standard in-wall speakers and they work fine. Very happy with the 3770 tho [ John  Jan 04, 2016 ]
Enter an answer to this question.Does this unit have Bass Midrange and Treble controls? [ Tdjacw  Nov 26, 2017 ]
It's all about the proper file-folder structure when you copy the content to the USB drive from your computer. Properly titled folders & files will be displayed on the Harmon Kardon and you can navigate them using the supplied remote control. You will find this information, and more, by clicking the "Details" tab on the receiver's main webpage. From there, you can download the Owner's manual (Under the "What's in the Box?" heading) or you can scroll down below the "Features & Specs" table to find our "Hands On Research" section. I hope that helps! [ Ryan  Nov 20, 2015 ]  Staff
yes [ KRISTEN  Sep 19, 2015 ]
I have no idea. [ Richard  Sep 02, 2015 ]
I don't believe so. You can stream music over Bluetooth, but you cannot control the amp over Bluetooth. There is a HK remote app for android. It doesn't use Bluetooth, but it will connect to the amp over WiFi. [ DANIEL J  Sep 02, 2015 ]
Joe. In all Apple, so I can't answer for Android. There is an app for iOS called H/K Remote. I assume it is available on other platforms. It's functionality is questionable. If you want to achieve full, smartphone control of your HK3770, get a Harmony Remote with a Hub. That's all you need to run your AV from your phone, tablet or handheld remote. They just added perimeters for the HK3700&3770. [ BILL  Sep 02, 2015 ]
I'm a Mac guy, but I figure this would work depending on the output settings on the PC. My question would be "why"? There are probably other outputs on the PC. Plus, I doubt you would be able to control the PC playlist using the HK remote. It would be an audio output only. I'm guessing it would work. [ BILL  Jul 26, 2015 ]
Sorry, I don't know. I only use it for internet radio. [ David  Jul 26, 2015 ]
Volume Is not stable when connected to iPod , the unit made most with plastic and most of all its made in China.... [ ALISON  Jul 25, 2015 ]
Kim K: YES you can. The beauty of this receiver is that apart from Bluetooth and USB inputs (digital) it can also receive analog input ( phono, CD players, etc). I highly recommend this receiver for the clarity of its output. [ Pedro  Jun 08, 2015 ]
Yes, any sound you can put over Bluetooth from your iMac or iPad/iPod will play. The bummer is you can only have one BT device at a time paired - that means if you have an iPad paired and you want a laptop paired, you have to disconnect the old and connect the new device. It's kind of lame, but overall it works. [ Aaron  Jun 08, 2015 ]
I use my iPad to stream internet radio using Bluetooth. and it works great. I would think the iMac should work. Love this receiver. [ Alfred  Jun 08, 2015 ]
Hi Kim, I am actually listening to music from my iTunes library from my iPad right now. It was the reason I bought this receiver. It works great and sounds very good sonically. As long as it's streams from your device Bluetooth, you should be fine. Jim [ JIM  Jun 07, 2015 ]
Yes you can .. I play music from my PC and iPhone threw Bluetooth on it.. [ JAMES  Jun 07, 2015 ]
I stream Pandora and other sources from my iPad using the USB input, it sounds better than Bluetooth, but Bluetooth should work the same. [ jon  Jun 07, 2015 ]
I would assume there is a replacement from Harmon Kardon but I don't know the cost. I personally still have my original remote. [ David  May 12, 2015 ]
We don't carry a direct replacement. You could contact Harmon about getting one here: http://www.harmankardon.com/contactus You can also find our all-in-one style remotes here: http://www.crutchfield.com/g_16000/Home-Remote-Controls.html [ Jeff  May 12, 2015 ]  Staff
Seems your question was misdirected to the customer forum [ BRENT  May 12, 2015 ]
most of the times other companies have a multi device that can be programmed for any device by the companies device code. very simple around $40. there is a device program code book that comes with your new purchase. [ FELIX C  May 12, 2015 ]
Hi Greg, we use it in our office and have no problems connecting from distances up to 60 or 70 feet away and could probably connect from farther, however there are no walls in our office so I couldn't speak to how much the walls of your home could interfere with the signal. [ NICHOLAS  Feb 02, 2015 ]
Not sure about range but we've been outside on our deck maybe 100 feet away from receiver and have had no problems. I don't like using our smart phone with the receiver because whenever it rings or gets a text/email, the music turns off. We only use the Bluetooth when our internet is unstable. [ David  Feb 01, 2015 ]
I'm not entirely sure the receiver determines that. I think it depends on how powerful your phone is since it is what is sending the signal. I believe the receiver is a passive listener. But in any case there are three standard ranges according to Bluetooth the company: ~3ft, ~33ft, ~300ft. I'd guess it was the middle one. Mine works at about 30 feet fine. It should work if you are within that range although walls/glass doors will shorten that distance some. Hope that helped :D [ Brett  Feb 01, 2015 ]
Haven't' tested full range but works anywhere on the first floor of a 3500 sq ft house, probably a good 50' at least [ KEVIN  Jan 31, 2015 ]
Good question. I decided to plot this out within the house. I was able to get 47 feet from the receiver before the signal started to sputter from an iPhone 5S. This was slightly indirect with some wall coverage. I can't speak to exterior wall interference. And with a backyard of snow, I aint going out to calculate a Bluetooth signal. [ BILL  Jan 31, 2015 ]
I have mine installed inside the exterior wall of a three season room near our pool. Inside the room it is absolutely reliable with iPads and iPhones. About 30 feet away outdoors is where it starts cutting out [ BRENT  Jan 31, 2015 ]
I use at fairly short range 10-12 feet ... I could not tell you how far as I have not tested that. And beside I haveno idea how far apart or how many walls exist between your pool and living room...or why if you are at the pool why you want music in your living room. The receiver sounds fantastic though [ Richard  Jan 31, 2015 ]
Typically 30 feet, but depends on interference and objects between. [ Jason  Jan 31, 2015 ]
Robbie D. Yes, balance and tone control are adjustable for each separate input. [ Robbie D  Mar 01, 2015 ]
After reading your question, I looked for a balance control. Had this HK for a year now and never noticed that there is no balance control. [ David  Dec 27, 2014 ]
Sorry, no balance control. This is avery straight forward stereo unit. There is no "mono" function that shows either. What goes in, go out exactly. [ ROBERT A  Dec 27, 2014 ]
The 3700 and 3770 are essentially the same receivers. The major difference is the 3770 supports Bluetooth connections. I couldn't find a Balance Control on the 3770 anywhere. [ BILL  Dec 26, 2014 ]
Josh: Might want to rephrase your question in English. I got the phono part. Yes, you can use a turntable. I can now play, what my generation used to call "records". Yea! [ BILL  Oct 29, 2014 ]
Wish I could help, but I don't know what you're asking. I only use it for Pandora which is controlled by my Onkyo. The HK is for outdoor sound only. I can tell you it's an awesome receiver, Sorry, Dave. [ David  Oct 29, 2014 ]
It is phono-ready, and can play almost any flavor of MP3 or WMA audio formats, except lossless WMA. There is no indication that it can play FLAC. The DLNA support seems to be pretty good. I have a dedicated NAS on the same network subnet at the HK receiver and I use the NAS to serve up highest quality MP3 (ripped with LAME-extreme VBR) and things sound excellent. this unit's strength is in the multiple ways of connecting to it - Bluetooth (3770), direct (internal) conversion from external media players, ethernet, analog RCA phone inputs, and optical inputs that I have my TV connected to. [ KEVIN  Oct 28, 2014 ]
Sorry I do not understand the question. We play our playlists through the HK 3770 both wireless (Bluetooth) and plug in from our iPhones and iPads. Hope this is helpful. [ WILLIAM J  Oct 28, 2014 ]
If you use the receiver as a media player (such as plugging a thumb drive with just music files) no, you cannot play flac. But connect anything that can play flac with all digital connections and it will. My setup is a small media computer with an optical audio port connected to the optical input on the receiver. In this setup the receiver doesn't have to read the files (the computer does that) it just processes the signal from digital to analog, amplifies it, and sends it out to the speakers (all beautifully I may add). So file type is irrelevant to the receiver this way. I hope that helps. [ Brett  Oct 28, 2014 ]
I do not think it can output to bluetooth devices. [ JARED  Aug 25, 2014 ]
To my knowledge, no. Bluetooth is input only. By the way, works great. Stream Spotify [ Ralph  Aug 23, 2014 ]
Nope [ COLIN  Aug 22, 2014 ]
No, you cannot. The Bluetooth its only available up as an input [ DANIEL J  Aug 22, 2014 ]
I tried to do this with a small BT speaker I own and the menu on the HK will not recognize it which leads me to believe the BT feature is for input only. I think I get where you are going with this, using portable speakers around the house or out on the deck. I do this through Airplay compatible speakers. However, these are going to be more costly than any BT speakers. Even though this doesn't help your quest. I did find that pairing my iPhone with the HK-3770, allowed me to control limited playlist controls using the HK remote. Pause, play, previous & next track, etc. I thought that was a nice touch. [ BILL  Aug 22, 2014 ]
Harry, The output is filtered. As far as I know it is a set crossover with no variability. You can change the "bass" setting under tone control, but that will affect your regular speakers as well. I believe the crossover setting on the HK is relatively high, as I use the crossover on my sub to attenuate down to about 80 Hz and the bass sounds cleaner. I see on your polk there are two inputs? I would recommend plugging into the non-LFE input and using the crossover on the sub to get it sounding how you want. The HK will still filter the signal but then your sub will filter it further, just make sure you are plugging into the Sub Out on the HK. Definitely took me a while to get my sub sounding how I wanted though. What helped me actually was calling Crutchfield Tech Support, they have professionals who are happy to help with questions like this, they helped me with setting my crossover and sub placement. Hope this helps! [ COLIN  Jun 02, 2014 ]
I have no idea what your acronyms represent, but I do understand "booming muddy mess". I am also very disappointed that there seems to be no crossover control for my subwoofer. I have the same, uncontrollable, "booming muddy mess." I replaced my HK AVR140 with the HK3770. I considered the AVR140 to be a low-end HK receiver, but it had terrific bass control. I expected the same level of control on this receiver, but didn't get it. I've had better bass control on a rental, U-Haul truck radio than on the HK3770 [ BILL  Jun 02, 2014 ]
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