Network & Tuner Functions
Remote + Bluetooth Control
Aventage Series: The Aventage line of Yamaha AV receivers is
based on the audio design concept of providing a massive, full-bodied sound for
movie sound effects and the accurate reproduction of music sources. By expertly
harmonizing traditional and advanced technologies, every factor that affects
sound quality, from materials & parts construction to circuitry layout,
vibration damping, and "fine-tuning" the sound, is handled with no other thought
than to achieve the best possible audio quality. As a result, every Aventage
receiver has the ability to reproduce the most subtle details of high-definition
sound, so that listeners can enjoy a truly high-class sound studio experience at
- High Drive Amp Technology: A fully discrete power
amplifier helps maximize sound and minimize distortion of the receiver. The
Yamaha RX-A840 AV Receiver is equipped with a 7-channel amplifier rated at
100 watts (into 8-ohms, at 20-20kHz, with 0.09% THD, driving 2 channels)
which provides high dynamic power with low-impedance drive capability.
- High Purity Pre-Amplification: The Yamaha RX-A840 uses
high quality, audio-grade Burr-Brown 192kHz/24-bit digital-to-analog
converters for all channels to maximize sound quality. The AV receiver also
utilizes low-jitter PLL circuitry to help optimize sound imaging. The result
is a more dynamic sound with greater detail and less distortion.
- Aluminum Front Panel: The aluminum front panel is used
to effectively shield sensitive circuitry from external noise and electronic
energy generated by dimmer switches, fluorescent lighting, video monitors
and so on. This ensures optimum sonic performance in the widest range of
- A.R.T.: The A.R.T. (Anti-Resonance Technology) Wedge
5th foot is in the center of the unit. It dampens vibrations from the power
transformer, power transistors and heat sinks, as well as vibrations that
might be caused by the sound from the speakers. A.R.T. Wedge 5th foot helps
ensure that vibrations do not affect the sound quality. The
AV receiver also employs anti-vibration heatsinks to suppress vibration from
transistors and sound pressure.
- Independent Power Supplies: Independent power supplies
are used for the receiver's analog and digital circuitry to prevent digital
noise from affecting analog circuitry. These power supplies are highly
efficient and result in less power consumption in standby mode.
Intelligent Amplifier Assignment: Intelligent Amp Assignment
automatically assigns amplifier channels of the Yamaha AV receiver to certain
speakers depending on what functions are selected. You can select from a variety
of amplifier configurations.
- Basic: In this configuration, up to nine speakers
(Front L/R, Front Presence L/R, Center, Surround L/R, & Surround Back L/R)
can be connected to the AV receiver. When Cinema DSP 3D is on, the two Front
Presence speakers will be powered and not the two surround back speakers.
When Cinema DSP 3D is off, this situation is reversed. Bi-amp and Zone 2
speakers are not available in this mode
- 5ch Bi-Amp: 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. Zone 2 and Front Presence speaker are not available in this
- 7ch + Zone 2: In this configuration, up to nine
speakers (Front L/R, Center, Surround L/R, Surround Back L/R, and Zone 2)
can be connected to the AV receiver. When Zone 2 is off, all seven channels
will be used in the Main Zone. However, when Zone 2 is on, power to the two
surround back channels will be directed to the two speakers in Zone 2 and
the Main Zone will receive five channels of power. The same or different
analog input sources/volume settings can be applied to both zones. Bi-amp
and Front Presence speakers are not available in this mode.
YPAO Automatic System Calibration: The Yamaha Parametric
Room Acoustic Optimizer (YPAO) system uses
a small microphone and sophisticated equalization to automatically set the best
sound for any room, no matter where the speakers are. First, it checks the
speaker connections and phase of each speaker. Then it sends out tones which are
captured by the microphone to analyze the room acoustics and sets a variety of
parameters, such as the speaker size, the distance of the speakers, and even the
sound pressure level; until it achieves the best sound conditions for your room. Up to 8 listening position measurements
are taken to optimize the surround effect for a broad area. Additional YPAO technologies include:
- EQ: You can select between a varietyYPAO EQ result settings to
better suit your speaker setup - Natural (adjusts all speaker to a natural sound;
useful when the flat setting sounds too bright), Flat (use when all the speakers in the system have
similar sound characteristics), Front (EQs the center and rear speakers to sound
like the front; useful when your front speakers are better than the
others in the system), Through (does not use the YPAO EQ), or Manual
(lets you adjust EQ for each channel manually).
- R.S.C (Reflected Sound Control): The receiver also employs YPAO's Reflected Sound Control
correct early reflections for studio-quality sound.
- DSP Effect Normalization: In addition, YPAO provides DSP Effect Normalization,
which varies the CINEMA DSP parameters according to the reflected sounds.
- YPAO Volume: Human ears have less sensitivity to high and low
frequencies, especially at lower volumes. YPAO Volume applies loudness EQ
correction to automatically adjust high and low frequency levels as volume
changes. Using the YPAO measurement results, EQ correction is optimized to
your system settings and listening environment.
Note: You can also choose to manually adjust the AV
receiver's speaker setup settings.
Multi-Channel Decoding Formats: The Yamaha RX-A840 supports
the following multi-channel (Dolby Digital, DTS, Dolby Pro Logic) decoding
- Dolby Digital:
Dolby Digital EX,
Dolby Digital Plus,
DTS-HD Master Audio,
DTS-HD High Resolution,
DTS Neo: 6
- Dolby Pro Logic:
Dolby Pro Logic II,
Dolby Pro Logic IIx
Note: Dolby Digital and DTS listening modes can only be
selected if your audio source is connected to the A/V 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.
Surround Parameters: The Yamaha AV receiver offers the
following Dolby Pro Logic II and DTS NEO:6 audio adjustments.
- Dolby Pro Logic II Settings: You can adjust the
following parameters in Pro Logic II Music modes:
Panorama (sends stereo signals to
the surround speakers as well as the front speakers for a wraparound
effect), Dimension (adjusts the
soundfield either towards the front or towards the rear of the room), and
Center Width (moves the center
channel output completely towards the center speaker or towards the front
left and right speakers).
- Center Image (DTS NEO: 6 Music): This parameter adjusts
the front left and right channel output relative to the center channel to
make the center channel more or less dominant as necessary.
Cinema DSP Soundfields: Conventional multichannel audio
reproduction systems base their sound on Dolby Digital and DTS decoding, using
matrix and steering technologies to create surround sound effects. Yamaha Cinema
DSP is much more advanced, actually creating richly realized independent
soundfields that envelop you in an unmatched surround sound experience. With
dialogue, music and effects ideally located in these separate soundfields, you
will hear sound with accurate placement, smooth movement, exceptional clarity
and richness, and realistic presence. It will seem as if the walls of your room
have disappeared and you are in the middle of your own immense theater. The AV
receiver offers 17 Cinema DSP programs for movies, music, and games.
- Movie Soundfields: Standard, Spectacle, Sci-Fi,
Adventure, Drama, Mono Movie, Sports, Action Game, Role Playing Game
- Music Soundfields: Hall Munich, Hall in Vienna,
Chamber, Cellar club, The Roxy Theater, The Bottom Line, Music Video, 5/7ch
Note: You can change the receiver's Cinema DSP effect level
(level of the soundfield effect to be added); you can adjust the level of
the soundfield effect from -6 dB to +3 dB from the receiver or remote
control. The AV Controller App for Apple iOS and Android provides even
greater adjustment of Cinema DSP soundfields.
Cinema DSP Modes: The Yamaha RX-A840 AV receiver offers
proprietary Yamaha Cinema modes so you can enjoy your movies and music even more
in your home; regardless if you are using 5.1 speaker setup, only have a
two-channel speaker system, or listening through headphones.
- Cinema DSP 3D: The actually measured soundfield data in
recorded soundtracks contain the information of the height of the sound
images. CINEMA DSP 3D mode achieves the reproduction of the accurate height
of theses sound images so that it can create the accurate and intensive
stereoscopic soundfield in your listening room. The receiver achieves Cinema DSP 3D through its virtual Presence Speaker mode.
- Virtual Cinema DSP: Virtual Cinema DSP is an algorithm
that allows you to enjoy DSP soundfield surround effects while using a
minimal two-speaker system. Virtual Cinema DSP lets you enjoy the effects of
Cinema DSP surround sound without using surround speakers (handy for use in
custom installations where some rooms don't have surround speakers). It can
be used with the front/center speakers or even with just the two
front left and right speakers. This unit will switch to virtual Cinema DSP
mode automatically when surround speakers are unavailable.
- Virtual Cinema Front: With Virtual Cinema Front, you
will enjoy virtual 5-channel surround sound with higher quality and
resolution by installing surround speakers at the front. You get more
flexibility to arrange your speakers inside the room, along with easy
enjoyment of high quality surround sound.
- Silent Cinema: Silent Cinema makes it possible to hear
large-scale surround sound through ordinary headphones. This is a variation
of Cinema DSP technology that Yamaha developed to let you listen in private
to movies and other multi-channel sources for hours without listening
CINEMA DSP Parameters: You can adjust the following
parameters of the Cinema DSP modes.
- DSP Level: You can change the receiver's CINEMA DSP
effect level (level of the soundfield effect to be added). You can adjust
the level of the soundfield effect from -6 dB to +3 dB.
- Delay: Adjusts the delay between the direct sound and
the presence soundfield (1-99ms), surround soundfield (1-49ms), and surround
back soundfield (1-49ms).
- Room Size: Adjusts the broadening effect (0.1-2.0) of
the presence soundfield, surround soundfield, and the surround back sound
- Liveness: Adjusts the loss (0-10) of the presence
soundfield, surround back soundfield, and surround back soundfield.
- Reverb: Adjusts the delay time of the rear reverberant
sound (1.0-5.0s), the delay between the direct sound and rear reverberant
sound (0-250ms), and the volume of the reverberant sound (0-100%).
HiFi Sound Modes: The Yamaha RX-A840 offers two HiFi audio
modes which bypass the receiver's tone & DSP processing for higher sound quality
performance. These HiFi sound modes lets you play back input sources without any
soundfield effect processing. When either of theses modes are enabled, each
speaker produces its own channel audio signal (without soundfield processing).
When playing back 2-channle sources, such as a CD player, stereo sound is heard
from the front speakers. When playing back multichannel sources, the receiver
produces unprocessed multichannel surround sound.
- Straight: 2-channel stereo sources are output from only
the front left and right speakers, while multi-channel sources are decoded
straight into the appropriate channels without any additional tone or DSP
- Pure Direct: Turns off the surround and tone circuitry, and
dims the front-panel display, allowing sources to bypass the decoders and
DSP processors of this unit so you can enjoy pure hi-fi sound from 2-channel
or multi-channel sources. During Pure Direct playback no sound is output from the
Compressed Music Enhancer: Yamaha employs sophisticated
digital signal processing with exclusive algorithms to enable playback that
improves the performance of compressed music formats, including MP3, WMA, and
AAC. With the Compressed Music Enhancer, highs and especially lows are richer
and smoother, bringing music back to life to be as close to the original as
Dialogue Lift & Level Adjustment: Dialogue Lift raises the sound of dialogue from the center speaker to a position
in the center of the screen. Newly developed virtual dialogue lift achieves
dialogue lift function even without the need for presence speakers. Dialogue
Level Adjustment lets you control the volume of the vocal sound, so you hear
movie dialogue and music vocals at the ideal level for clear, comfortable
Dynamic Range Control: The Yamaha RX-A840 employs two
Dynamic Range Control functions.
- Adaptive DRC: Adaptive DRC automatically adjusts the
dynamic range of the sound according to the volume level. This ensures that
you hear clear dialog, vocals, and all sound effects at comfortable levels.
There is no need to adjust the volume level as you listen; everything from
whispers to big explosions will be heard clearly and comfortably at the same
volume setting. It also tones down loud TV commercials and is ideal for
low-volume, late-night listening when you do not want to disturb others.
- Dynamic Range: The amount of dynamic range compression applied
to bitstream signals is adjustable; Min/Auto is suitable for low volume listening,
Standard is typical for home use, and Max doesn't compress the dynamic range at all.
Bass Management: The Yamaha RX-A840 AV receiver provides
the following Bass Management settings.
- Bass & Treble: You can adjust the balance of the
high-frequency range (Treble) and low-frequency range (Bass) of sounds
output from the receiver' front left and right speakers to obtain a desired
tone. You can independently adjust the bass (50Hz) and treble (20kHz) from
-6dB to +6dB in 0.5 dB increments. The tone control of the speakers or
headphones can be set separately.
- Extra Bass: You can select whether to play front
channel low-frequencies through either of the front speaker or the
subwoofer, or through both the subwoofer and front speakers.
- Subwoofer Trim: The Subwoofer Trim control enhances the
low frequencies by avoiding overlap with the front speaker output. This will
result in a cleaner, more focused sound stage while providing a seamless
frequency response. When subwoofer frequency overlap occurs in conventional
systems, the overall sound is "pushed" toward the subwoofer. Subwoofer Trim
takes care of this by separating the low subwoofer frequencies cleanly, thus
stabilizing the front stage while providing a well-balanced enhanced bass
Volume Setup: The Yamaha RX-A840 allows you to customize the
receiver's volume levels.
- Max Volume Adjustment: Use this feature to set the
receiver's maximum volume level. This feature is useful to avoid turning the
volume too loud by mistake. You can set the Max Volume from -30 dB to +15 dB
in 5 dB steps, or to +16.5 dB (full volume range is -80 dB to +16.5 dB).
- Initial Volume Setting: Use this feature to set the
volume level when the power is turned on. You can choose between Off (same
as the volume when the unit was turned off), Mute, and -80 dB to + 16.5 dB
in increments of 0.5 dB.
- Volume Trim: Use this feature to adjust the volume level of
each input. This is useful to balance the level of each input to avoid sudden
changes in volume when switching between input sources. The range is from -6dB
to +6dB in 0.5dB increments.
Note: You can choose to display the "Relative" volume scale
(-80 to +16dB) or an "Absolute" volume scale (0 to 97).
Audio Inputs/Outputs: The Yamaha RX-A840 offers a variety of
analog and digital audio inputs/outputs.
- Digital Inputs: The Yamaha AV receiver is equipped with
two optical (toslink) digital inputs and two coaxial (RCA) digital inputs
capable of handling 2.0-5.1ch/32-96kHz audio.
- Stereo RCA Jacks: The receiver is also equipped with
five stereo RCA analog audio inputs (4 rear/1 front), stereo RCA analog audio record output,
and stereo RCA Zone 2 output.
- Speaker Terminals: The receiver has binding post
terminals for the Front, Center, Surround, and Surround Back/Bi-Amp speaker
terminals. The Zone 2/Presence speakers terminals are spring-clip. The
binding posts can accept bare wire, pin connectors, and single banana plugs.
These terminals are spaced too far apart for dual banana plugs and a collar
surrounding them prevents the use of spade connectors. The spring-clip
terminals only accept bare wire or pin-connector. You can select 8 ohms or 6
ohms in the menu depending on your speaker application. The amplifier
supports 4- to 8-ohm Front speakers, and 6- to 8-ohm Center and Surround
- 7.2ch Preamp Outputs: The A/V receiver features
7.2-channel pre-amp outputs (Front L/R, Center, Surround L/R, Surround Back
L/R, and Dual Subs) for connection to external power amplifiers. The dual
sub outputs are not discrete.
- Headphone Jack: The Yamaha RX-A840 is equipped with a front-panel 1/4"
headphone jack for connecting a set of headphone, so you can listen to your
music privately. Connecting a set of headphones automatically mutes the
receiver's speaker outputs. Sound effects applied during playback can also
be heard through the headphones.
HDMI 2.0: The Yamaha RX-A840 AV receiver is fitted with
eight HDMI 2.0 (7 rear/1 front) inputs and two HDMI 2.0 outputs to deliver
crystal-clear, all-digital audio and video signals. The two HDMI outputs are
parallel, so the same audio/video signal is output through both and can be used
simultaneously. The HDMI 2.0 jacks support 4K/60Hz
and 1080p video
signals; as well as 3D video and ARC functionality. Deep Color (30/36 bit), x.v.Color,
and auto Lip-Sync compensation is also supported via HDMI. The AV receiver's
HDMI jacks support 2-channel and multi-channel linear PCM (up to 8-channel) and
Bitstream (Dolby Digital, DTS, etc) digital audio formats.
- 4K/60Hz Pass Through: The AV receiver supports 4K Ultra
HD 50 Hz/60 Hz signal pass-through to output motion-smooth ultra
high-definition videos. Via a future firmware update (not yet available), it
will also support RGB, YCbCr 4:4:4, YCbCr 4:2:2 as well as YCbCr 4:2:0 video
signal for more vibrant and lifelike images.
- 3D Ready: The Yamaha RX-A840 AV receiver supports 3D HDMI
pass-through from connected 3D-compatible Blu-ray, games and broadcast devices
to 3D-compatible HDTVs (all 3D components must be connected via HDMI). 3D
provides a more engaging audio and video consumer experience. Note that special
eyewear may be required for viewing 3D content
- 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.
- Deep/x.v.Color Support: The AV receiver 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: This function
adjusts the delay between audio and video output. You can do this manually or
have the receiver set the LipSync function automatically. When connected
to a TV via HDMI the receiver automatically adjusts audio output timing (0-500ms) if the
TV supports an automatic LipSync function. You can also manually delay the
sound output up to 500ms to synchronize it with the video image.
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 Video Upscaling: The Yamaha RX-A840 is capable of
outstanding upscaling and i/p conversion quality. This AV Receiver will upscale
video signals from analog (480i only)-to-HDMI and HDMI-to-HDMI, up to 4K.
This means a much better picture with HDTVs capable of 720p, 1080i, 1080p, or 4K
Front-Panel HDMI/MHL Port: One of the receiver's six HDMI
inputs is on the front-panel and MHL compatible. This MHL compatible HDMI port
provides easy, direct connection of MHL compatible smartphones, like Android. Playback of up
to 1080p video and multi-channel audio from the phone is supported. The receiver
will also charge (5V/1A) your connected phone. Play, Stop, and other basic operations
can be controlled from the AV receiver's remote control.
HDMI Standby Through Mode: When the RX-A840 is in standby
mode (power off), the Standby Through feature allows HDMI source signals to pass
through the receiver to the TV. The HDMI input can be changed using the remote
control. So, there's not need to turn on the A/V receiver in order to switch
Analog Video: The RX-A840 AV receiver offers both composite
and component analog video jacks.
- Component Video: The RX-A840 offers two component video inputs
and one component video monitor output. These jacks have a frequency
response of 5 Hz to 60 MHz and will pass High Definition video sources up to
- Composite: The receiver features five composite video
inputs (4 rear/1 front), one composite video record output, and one
composite video monitor output.
Background Video: The Background Video feature allows you to
watch a video source while listening to a different audio source. With the
RX-A840, you can select any video input, and listen to AM/FM radio or select
songs from a USB device or Network source at the same time.
Network & Tuner Functions
Wired or Wireless Network Connection: The Yamaha AV receiver
is fitted with a RJ-45 Ethernet (LAN) port to connect the receiver to your home
network. The unit also offers built-in WiFi (IEEE 802.11 b/g; 2.4GHz) for a wireless
network connection; WPS, WEP, WPA-PSK (TKIP), WPA-PSK (AES), WPA2-PSK (AES)
security protection is supported. Either network
connection gives the receiver access to your DLNA music server and various
online music services. Wireless network setup can be done via WPS button, Access
Point Scan, Manual Setting, PIN Code, or even through your Apple iOS device
Internet Radio: The Yamaha RX-A840's network connection
provides access to Pandora, Spotify, SiriusXM, Rhapsody, and vTuner Internet
Radio online music
services. You can control the
Internet Radio services from the AV receiver's remote control and on-screen menu
(via HDMI). The receiver will display station name, album name, song title, and
elapsed time on your HDMI-connected television.
Service || Description |
| Pandora ||Pandora is free, personalized radio
that plays music and comedy you'll love. Just start with the name of
one of your favorite artists, songs, comedians or composers and
Pandora will create a custom station that plays similar tracks. You
can also rate (thumbs up/thumbs down) songs as they play, and
Pandora will adapt stations to your feedback. You can even bookmark
up to 100 stations and easily switch between favorites. |
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 ||Requires firmware update. SiriusXM
lets you listen to over 120 channels of commercial-free
music, talk radio, news, sports, entertainment, and more. |
| Rhapsody ||Rhapsody is a streaming music
subscription service (starting a $10 per month) that allows you to
play the full-length songs you choose on demand from a collection of
over 10 million songs, without ads and without having to purchase or
download the music. |
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
DLNA + WiFi Direct: The Yamaha RX-A840 AV receiver supports
music streaming from WiFi-enabled mobile devices (via WiFi Direct) and DLNA
certified devices (via your home network). Supported music files include; MP3 (up to 48 kHz), WMA (up to 48 kHz), AAC (up to 48 kHz), ALAC (up to 96 kHz), WAV (up to 192 kHz),
and FLAC (up to 192 kHz).
- WiFi Direct: When using
WiFi Direct, you can connect directly with other WiFi-enabled devices
without using a wireless router. You'll be able to wirelessly stream a
variety of music files to the Yamaha receiver without connecting to your
home network. WiFi Direct completely bypasses your WiFi access point/router,
so it's easy to set up. You'll continue to navigate your music and view
song/artist information from your mobile device.
- DLNA Certified: The RX-A840 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 over your
home network. You can use
your PC to play high-bit rate music content through your audio system, or use
the RX-A840 to browse and play music files on your hard drive. You can control
playback of your streamed audio files from the AV 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 on-screen menu (via HDMI).
The AV receiver supports the following DLNA music servers
- (1) PC with Windows Media Player 11 or later installed, (2) PC with
DLNA/UPnP Certificate server software installed, (3) NAS with DLNA/UPnP
Spotify & HTC Connect: The Yamaha RX-A840 supports
Spotify & HTC Connect wireless music streaming from your compatible
- Spotify Connect: With the Spotify app on your Apple iOS
or Android smartphone, you've got instant access to millions of songs. And
now you can stream those same songs from your smartphone to the Yamaha AV
receiver by using
simply hit play on the app to start streaming music. What's more, when
you've been listening to Spotify on your smartphone outside and come inside,
the song immediately begins to stream to the receiver for uninterrupted music
enjoyment. You can also personalize playlists and receive phone calls while listening to music. The Spotify app
devices and a
premium account are required.
- HTC Connect: HTC Connect lets
you stream MP3 and AAC music files to the Yamaha AV
receiver wirelessly from a compatible HTC Connect mobile device. You don't need a separate app because HTC Connect is built
right into your HTC smartphone. Simply swiping the HTC smartphone screen starts music
output to the AV receiver, from the HTC device's stored music library or online
music apps. Click
for HTC Connected compatible smartphones.
AM/FM Tuner: The Yamaha RX-A840 AV receiver features a
built-in AM/FM tuner with manual, seek, and preset tuning. The RX-A840 lets you
store up to 40 AM/FM station presets. This can be done manually or automatically
(auto-preset tuning). You can set this receiver to automatically match FM
broadcast frequencies in stereo, or convert the frequency to monaural for weaker
stations. An indoor FM wire antenna and AM loop antenna are included with the
Web Control: When connected to your network (with Internet
connection), you can control the Yamaha AV receiver with the web control screen
displayed in your PC's web browser. You'll be able to control functions such as,
Power On/Off & Volume. Internet Explorer 9.x, 10.x, 11.x is recommended for web
Firmware Updates: New firmware will be released for the
purpose of additional features or product improvements. Firmware updates can be
downloaded from the Yamaha website. If this unit is connected to the Internet,
the receiver will indicate when a new firmware version is available and you can
download the firmware via the network connection. Firmware updates normally take
approximately 20 minutes or longer. The test A/V receiver contained firmware
version 1.20 (as of 7/29/2014). Check Yamaha's
Support Download Site
for the most recent firmware updates.
USB Port: This AV receiver is equipped with a front-panel
USB (type-A) port that allows you to enjoy a variety of
stored on 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).
Your USB mass storage class device must be formatted in FAT 16
or FAT32 .You can use the receiver's on-screen menu (via HDMI) and remote
control to navigate your stored music files on your connected USB memory device.
USB portable audio players that can be charged via USB will be charged when
plugged into the AV receiver's USB port (5V/2.1A); even in standby mode.
Compatible music files include:
- MP3 (up to 48 kHz)
- WMA (up to 48 kHz)
- AAC (up to 48 kHz)
- ALAC (up to 96 kHz)
- WAV (up to 192 kHz)
- FLAC (up to 192 kHz)
Note: While listening to a song from a USB device, you can view a
favorite video or photo from the receiver's monitor output.
iPod/iPhone Connectivity: The Yamaha RX-A840 offers wired
(via USB) and wireless (via AirPlay) connectivity for your Apple iPod, iPhone,
or iPad. You can even watch video from your Apple device via the receiver's
front-panel HDMI input.
- AirPlay: AirPlay lets you stream your favorite songs
directly from your Apple iOS (4.3.3+) device or from your iTunes (10.2.2+)
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).
- USB 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 Yamaha AV receiver. The iPod/iPhone USB digital connection means that the digital audio signal from
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 navigate your iPod/iPhone's
music via the receiver's on-screen menu (via HDMI) and remote control, or
continue to use your iPod/iPhone's clickwheel or touchscreen. You can browse
your iPod/iPhone's stored music content via Playlist, Artist, Album, Song, Genre, or
Composer. You can also control Repeat & Shuffle functions. Basic playback
functions (such as Play/Pause, Previous/Next Track) for music apps can also be
controlled by the AV receiver's remote. Song/artist
information and Album Art from stored music and music apps on your iPod/iPhone will display on your connected TV (via HDMI) or the
unit's front-panel display.
- HDMI Video: 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 Lightning
connector iPod touch, iPhone, or iPad 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
(select Simple mode on receiver).
Note: Your Apple device's battery will be charged while
connected to the receiver's front-panel USB port (max. 2.1A).
Apple Device Compatibility Chart: The Yamaha AV receiver
supports the following Apple devices and functionalities (as of 1/15/2015):
| 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 || Y || Y || Y || Y |
| 2/3 || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| 4/air || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| mini || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| iPhone |
| 3G || 4.2.1 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 3GS || 5.1.1 || Y || Y || Y || N || Y || Y || Y || Y || Y || Y |
| 4 || 7.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| 4S || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| 5/5C/5S || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| 6/6+ || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| touch |
| 2nd || 4.2.1 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 3rd || 5.1.1 || Y || Y || Y || N || Y || Y || Y || Y || Y || Y |
| 4th || 6.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| 5th || 8.1.2 || Y || Y || Y || O || Y || Y || Y || Y || Y || Y |
| nano |
| 2nd/3rd || 1.1.3 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 4th || 1.0.4 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 5th || 1.0.2 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 6th || 1.2 PC || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 7th || 1.02 PC || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| classic || 80GB || 1.1.2 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 120GB || 2.0.1 || Y || N || Y || N || Y || Y || Y || Y || Y || Y |
| 160GB || 2.0.4 || Y || N || Y || N || Y || 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
Advanced On-Screen Menu: The RX-A840 offers an on-screen
(GUI) menu system through its HDMI output. The simple on-screen display combines
text and graphics that make setup and other operations extremely easy. If your
TV is connected to the composite video or component video monitor output, you
will need to use the AV receiver's front-panel display when changing settings.
You can set the receiver's on-screen menu language to English, French, Spanish,
German, Russian, or Chinese.
Scene (for One-Touch Start): The RX-A840 features four Scene
buttons on the front-panel and remote to make operating the receiver easier.
Pressing a Scene button will automatically launch a number of operations that
initiate play of the source controlled by that button; such as powering on the
receiver, switching to the appropriate source input, and recalling the selected
DSP surround mode.
Multi-Zone: The Yamaha RX-A840 offers Zone 2, Party Mode,
and HDMI Zone B functionality for playback of audio (HDMI Zone B also supports
video) in two separate rooms of your home.
- Zone 2: The Zone 2 feature allows you to set this
receiver to reproduce separate input sources in the main zone and the second
zone (Zone 2). The receiver has dedicated stereo RCA outputs for Zone 2, or
the built-in amplifier can be configured to power speakers in the second
zone connected to the Extra Speaker terminals. By using the RCA outputs on
the AV receiver you can connect an external receiver or integrated amplifier
in a second room, allowing you to listen to 7.1ch surround in the main room
and play a different stereo audio source in another room of your home. The
volume of Zone 2 is controlled by your optional integrated amp. By using the
speaker-level outputs on the AV receiver you can directly connect a
secondary pair of speakers in another room of your home, allowing you to
listen to 5.1 surround sound in your main room and play a different stereo
audio source in the other room. When the receiver is powering speakers in
Zone 2, the surround back speakers in the main room are turned off (limiting
you to 5.1ch in the main room). The volume of Zone 2 is controlled by the AV
- Compatible Zone Sources: You can select the
following input sources for Zone 2.
- Analog Audio Inputs
- AM/FM Tuner (you cannot select different AM/FM radio stations
for each zone)
- USB (including iPod/iPhone)
- Internet Radio (different network sources cannot be played back
in multiple zones at the same time)
- DLNA/Media Player contents
- Incompatible Zone Sources: Optical/coaxial digital
and HDMI audio sources are not output to Zone 2. You cannot output any
video signal to Zone 2. Unfortunately, you cannot select USB and Network
source exclusively for each Zone. For example, if you select "Network
Server" for Zone 2 when "USB" is selected for the Main Zone, the input
source in the Main Zone also switches to "Network Server".
- Party Mode: The Party Mode allows you to enjoy the AV
receiver's Main Zone audio source in Zone 2, simultaneously (regardless of
input audio signal types - analog or digital). During the party mode, stereo
playback is automatically selected for all zones. The Main Zone & Zone
2's volume can be adjusted independently. Utilize this function
when you want to play back an audio source as background music in two rooms
of your home.
- HDMI Zone B: The receiver's second HDMI monitor output
lets you send the same HDMI audio/video input signal that is being played in the main
zone to a second zone (video is output at the resolution supported by both
Gapless Playback: Many live and classical albums have no gaps in the
music. Gapless playback ensures that there are no pauses between audio files.
This provides playback with no interruptions, the way it was meant to be heard.
Compatible with WAV, FLAC, and ALAC music files via USB or DLNA.
Input Rename: You can rename each input so the display reflects
the actual source; choose from 15 templates or create an original name, up to
Display Dimmer: You can set the brightness of the front-panel display
from -4 to 0.
ECO Mode: When the ECO Mode is enabled, you can reduce the receiver'
power consumption by keeping the maximum volume, maximum output power, and front
display's brightness low. ECO mode reduces power consumption by approximately
Timers: The receiver offers a programmable Sleep Timer and
Auto Power Down function.
- Sleep Timer: The receiver's Sleep Timer function can be set
turn the unit automatically off after 30, 60, 90, or 120 minutes.
- Auto Power Down: If you don't operate the receiver or use the remote
for an extended period of time, the unit will automatically go into standby mode
(Auto Power Down function). The Auto Power Down feature is selectable from 2, 4, 8 or
Memory Guard: This feature is used to prevent accidental changes
to the DSP program parameter values and other system settings.
Remote + Bluetooth Control
IR Remote w/ HDMI-CEC: The receiver comes with an IR remote
control for wireless operation of this receiver and other HDMI-connected sources
(via HDMI-CEC). HDMI-CEC (Consumer Electronics Control) synchronizes the
operation of this unit with other HDMI-CEC devices when connected via HDMI. When
the AV receiver is connected to a HDMI-CEC compatible TV, they will turn ON/OFF
together and you can use the TV remote to control the volume of the receiver.
HDMI-CEC also provides playback functionality with other components, such as
your Blu-ray player. For example, you can use the receiver's remote control to
operate player functions like Play/Pause, Fast Forward/Rewind, Previous/Next
Track, or Stop.
Note: Not all HDMI-CEC compatible components and functions
are guaranteed to work.
AV Controller App: Download Yamaha's free AV Controller App
Apple's App Store or
GooglePlay) onto your Apple iOS (5.0+) or Android (2.1+) device and turn
your mobile device into a Wi-Fi enabled remote control for the Yamaha AV
receiver. Your Apple iOS or Android device must be connected to the same home
network as the Yamaha AV receiver.
- Basic Remote Functions: The AV Controller App provides
the flexibility to control input, volume, mute and power commands from your
compatible Apple iOS or Android device.
- DSP Controller: You can use the AV Controller App to
adjust DSP soundfields & parameters to your preference to match the type of
music/movie or the mood you want to achieve. There are two modes - (1)
Basic, which lets you adjust the sound space by simply pinching the screen
in-and-out; and (2) Advanced, which allows detailed adjustment of various
parameters such as reverb, initial delay, and liveness.
- Internal Content Browsing: Using this app on your Apple
iOS or Android device, you can browse and listen to content from all
internally available sources; such as Internet Radio, Pandora, Spotify, USB
devices, and the AM/FM tuner.
- Wireless Music Streaming: From the app, you can browse
music stored on your Apple iOS or Android device and wirelessly transfer the
content to the Yamaha A/V receiver for playback.
- Zone Control: You can control power on/off, source
selection, volume and other functions of Zone 2. Customization such as
changing zone icon and renaming zone is also supported.
- Blu-Ray Player: This App not only controls the Yamaha
AV receiver, it also controls Yamaha Blu-ray Disc Players, supporting
various functions including Play/Pause, Stop, Fast Forward/Rewind, and
AV Setup Guide App: Download Yamaha's AV Setup Guide App (from
Apple's App Store or
GooglePlay) onto your Apple iPad (iOS 6.0+) or Android tablet (OS 4.0+) for
assistance with connecting cables between the Yamaha AV receiver and your source
devices as well as AV receiver setup. This app guides you through various
settings including speaker connections, TV and source device connections, plus
assigning the power amplifier. Once you have completed the setup guide, settings
from this app will automatically be copied to your network-connected AV receiver
for quick and easy setup.
Remote Connections: The RX-A840
offers a variety of remote connections.
- 12V Trigger Output: The
RX-A840 has a programmable minijack output to send a 12-Volt DC turn-on
signal to another component that accepts a 12V trigger, such as a power
amplifier or motorized projection screen. The trigger is programmed either
to work with a specific zone (main room or Zone2) or a specific source.
- Remote Jacks: The receiver has
remote input and remote output minijack terminals for use with external IR
receivers and compatible Yamaha components.
- RS-232C Port: The AV receiver's RS-232C port provides
seamless integration with a wide range of third-party home automation
Add-on Bluetooth Audio Receiver: The Yamaha YBA-11 Bluetooth
Audio Receiver (022YBA11,
sold separately) can be used to wirelessly connect your Bluetooth-enabled mobile
devices to the Yamaha AV receiver. The YBA-11 connects to the digital coaxial
audio input on the back of the Yamaha AV receiver and is powered by the
rear-panel DC Out/USB type-A port (5V/0.5A) of the receiver.