AVR-X6400H

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Premium 11.2 channel AV Surround Receiver with monolithic amplifier design, all 3D audio formats built-in, and unparalleled music playback options, thanks to our HEOS technology. Control with Alexa voice commands this September.
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  • AMAZING 3D-SOUND.

    Enjoy the most complete surround sound experience with latest audio formats Dolby Atmos, DTS:X and Auro-3D built-in. Most remarkably, the 11 channel amplification allows for setting up a full 7.1.4 3D experience without the need of an external amplifier.

  • POWERFUL 11.2 CHANNEL AMP WITH ECO MODE.

    The AVR-X6400H features a sophisticated power amplifier section with 11 channels in a monolithic amplifier design for ultimate clarity and power. Each channel is rated at 140 watts per channel (8 ohms, THD0.05%, 20Hz~20kHz), and all channels are able to safely drive lower impedance speakers (down to 4 ohms). There’s also an Auto Eco mode that adjusts the maximum power available according to the volume level as well as an on-screen Eco meter that lets you see the power consumption reduction in real time.

  • READY FOR THE FUTURE OF HOME THEATER.

    The AVR-X6400H’s advanced video section is fully compatible with the latest HDMI and HDCP 2.2 specifications and prepared for any 4K Ultra HD source. High Dynamic Range (HDR), Dolby Vision compatibility, Hybrid Log Gamma (HLG) and eARC (enhanced Audio Return Channel) are at hand as well. You can also enjoy ultra-high-definition pictures from legacy analog and digital sources.

  • THE HEART OF YOUR WIRELESS NETWORK.

    Every sound, all your music, controlled effortlessly. Full wireless connectivity is provided via both Wi-Fi and Bluetooth, Apple Airplay is supported. The built-in HEOS technology allows the AVR-X6400H to become the app-controlled heart of a whole-house wireless multi-room sound network.

  • PERFECT SET-UP FROM THE START.

    The AVR-X6400H easily guides you through the set-up process to ensure the most accurate configuration. Optimize all settings for the best possible sound and video quality with your system from the get-go. The most advanced Audyssey MultEQ XT32 room measurement system provides for best sound in every room.

BLOCKBUSTING 3D-SOUND.

Surround yourself in cinema-grade sound from literally any direction.

  • Dolby Atmos
  • DTS:X
  • AURO-3D
  •  

    SOUND IN THE RIGHT PLACE.

    Feel every dimension in Dolby Atmos. Dolby Atmos transports you into the story with moving audio that flows all around you with breathtaking realism. Enjoy a 5.1 or 7.1 surround sound speaker system and 4 additional overhead speakers or 4 Dolby Atmos elevation speakers for the ultimate home theater experience - including Dolby Surround upmixer for legacy content.

  •  

    BE CLOSER TO THE ACTION.

    DTS:X™ immersive audio places sound where it would occur naturally in space, creating a lifelike, multi-dimensional audio experience in the home. The improved immersion and heightened realism draw you into the world of your favorite movies. The included spatial remapping engine, DTS Neural:X™, gives your movie, game and music collections a new lease on life! DTS:X brings the theater home.

  •  

    PUTTING YOU IN A COCOON OF LIFE-LIKE SOUND.

    Auro-3D® elevates the home theater experience to amazing new levels by delivering the excitement of three-dimensional sound for music, games, broadcast, and films while enhancing your existing audio-visual collection, thanks to Auromatic up-mixing engine.

GEARED UP FOR 4K ULTRA HD.

Enjoy ultra-high-definition pictures, even from analog and digital SD sources.

  • LATEST HDMI SPECS WITH EARC
  • ADVANCED VIDEO SECTION
  • HDR / DOLBY VISION
  •  

    FUTUREPROOF IN ANY WAY.

    All eight HDMI inputs and three HDMI outputs feature HDCP 2.2 compatibility and the latest HDMI specifications, including 4K Ultra HD 60Hz video, 4:4:4 Pure Color sub-sampling, High Dynamic Range (HDR) and 21:9 video, 3D, and BT.2020 pass-through support. It is even ready for Enhanced Audio Return Channel (eARC) for 3D audio playback through TV apps. The feature will be enabled via a future firmware update.

  •  

    BREATHE NEW LIFE INTO LEGACY SOURCES.

    The AVR-X6400H owns an advanced video processor to upscale existing lower resolution video from any analog or digital source to true 4K. With three HDMI outputs, you can even connect a TV and a projector in the main room, while playing back different content on a second zone screen.

  •  

    NEXT GENERATION VIDEO FORMATS.

    The AVR-X6400H supports High Dynamic Range (HDR) video format. It is even ready for Dolby Vision and HLG (Hybrid Log Gamma). Dolby Vision transforms the viewing experiences with astonishing brightness, contrast, and color. HLG offers HDR technology over broadcast content.

SET-UP AND CONNECT WITH EASE.

Get your AVR-X6400H up and running in no time, perfectly tailored to your needs.

  • Audyssey MultEQ XT32
  • Connectivity
  • Denon + HEOS App
  • Quick Select
  •  

    MEASURE YOUR SOUND TO YOUR ROOM.

    The AVR-X6400H features the most advanced Audyssey MultEQ XT32 room acoustic measurement system including Audyssey Dynamic Volume, Dynamic EQ, LFC and SubEQ HT. Through these technologies, and with the supplied microphone, it exactly analyzes each speaker's output to optimize the overall listening experience. With the additional Audyssey MultEQ Editor App (available for purchase), very advanced users can even go further "under the hood" if desired.

  •  

    UNWIRE YOUR SOUND.

    The AVR-X6400H is equipped with an advanced dual antenna system for robust and error-free streaming, featuring Bluetooth and Wi-Fi connectivity as well as Apple's AirPlay for direct music playback from Apple's iDevices.

  •  

    EVERYTHING UNDER CONTROL.

    With the "Denon 2016 AVR Remote" app you can control the receiver's operation and even control your connected Denon Blu-ray player. With the HEOS app you easily command your music and multi-room streaming.

  •  

    CHOOSE YOUR FAVORITE SOURCES.

    Store your preferred set-up and sound mode for every source, so that you can jump right to them by the push of a button on the front panel and the remote control.

ADVANCED SOUND PROCESSING.

Experience extraordinary sound quality from both music and movies.

  • DSP
  • HIGH RESOLUTION AUDIO
  • AL32 PROCESSING
  • 32-BIT D/A CONVERSION
  •  

    POWERFUL DSP AUDIO PROCESSING.

    The AVR owns a sophisticated DSP audio processing system that incorporates no less than 4 powerful high speed fourth generation SHARC DSP processors, which together have a combined continuous processing capability of 10 GFLOPS (10 billion floating point numerical computations per second).

  •  

    ENJOY SUPERB AUDIO FIDELITY.

    The AVR-X6400H features high resolution audio decoding with multiple lossless file types including ALAC, FLAC and WAV at up to 24-bit/196-kHz along with compatibility for 2.8/5.6-MHz DSD files (DSD is the audio coding format of SACD).

  •  

    UNIQUE DENON AUDIO TECHNOLOGIES.

    AL32 Processing Multi-channel provides ultra-high-resolution digital audio filtering and precision for all audio channels, to deliver a natural soundstage with enhanced imaging. For contents recorded in multi-channel such as Blu-ray discs, the recorded low frequency effects (LFE) may be out of synch and delayed. Bass Sync technology corrects such a delay of low frequency effects for the perfect audio experience.

  •  

    BEST POSSIBLE SOUND STAGE.

    For optimum fidelity and the widest dynamic range with lowest distortion, the AVR-X6400H features advanced reference-class 32-bit AKM AK4458VN D/A converters on all channels. This ensures consistent high fidelity and precise channel matching across all channels for the ultimate listening experience.

GET THE AMAZING
HEOS EXPERIENCE.

Enjoy your favorite music anywhere – and everywhere – around your home. Share music stored on your home network, Internet radio or streaming services with HEOS wireless speakers, or even other HEOS-capable receivers, throughout the house. Control it all with the free HEOS app. Enjoy music from TuneIn, Internet Radio and a wide range of streaming services including Pandora®, Spotify®, Amazon Prime Music, iHeartRadio, SiriusXM, Soundcloud®, Tidal, Napster or Deezer.

 

SELECT THE PERFECT HEOS FOR YOUR SETUP.


The AVR-X6400H's built-in HEOS technology allows you to stream your favorite music wirelessly around your home to any other HEOS speaker.

  • Bathroom
  • Bedroom
  • Kitchen
  • Livingroom

HEOS 1: Ideal for damp environments or outdoors.

EXTERNAL CONTROL AND IP CONTROL CAPABILITIES.

The AVR-X6400H is part of Denon's range of IN·Command series of custom integration friendly AV components, equipped with a range of features to provide enhanced control capabilities and compatibility with 3rd party and custom integration solutions.

The AVR-X6400H features IP control capability for an integration with major 3rd party control devices and Control4 SDDP (Simple Device Detection Protocol) certification for quick and easy integration with Control4 home automation equipment. For direct connection to external home automation and control equipment, it's also equipped with an RS-232C serial port.

For simpler integrated control set-ups, the AVR-X6400H features an IR (infrared) remote control input on the rear panel, allowing remote control compatibility with other components in your home theater system.

Specifications

Model:
AVR-X6400H
Multichannel Surround
DTS HD Master / DTS:X
o / o
o / (upgrade)
o / o
DTS Neo:X / DTS Neural:X
_ / o
_ / o (11ch) (update)
_ / o
Dolby TrueHD / Dolby Atmos
o / o
o / o
o / o
Dolby ProLogic Ilz / Dolby Surround
_ / o
_ / o
_ / o
Auro 3D
o
o (upgrade)
o
Audyssey DSX
_
o
_
Multichannel Stereo
o
o
o
Max Number of Processing (Preamp) Channels
11.2
11.2
11.2
Sound Enhancements
Mono Block Power Amp Construction
_
o (L/R separated)
_
Discrete Power Amplifier
11
o
9
D.D.S.C. HD Digital
o (32-bit)
o (32 bit)
o (32-bit)
Pure Direct
o
o
o
High Grade Audio Components
o
o
o
Gold Plated RCA Terminals
o
o
o
Clock Jitter Reducer
o
o
o
Alpha Processing
AL32 Processing Multichannel
AL32 Processing Multichannel
AL32 Processing Multichannel
Denon Link HD
o
o
o
Audyssey
MultEQ XT32
MultEQ XT32 (PRO)
MultEQ XT32
Audyssey Dynamic EQ / Dynamic Volume
o / o
o / o
o / o
Audyssey LFC
o
o
o
Compressed Audio Restorer
o
o
o
Network
DLNA Certified
-
o (v1.5)
-
Lossy Formats: MP3 / WMA / AAC
o / o / o
o / o / o
o / o / o
Lossless Formats: FLAC / ALAC / WAV
o / o / o
o / o / o
o / o / o
Lossless formats: FLAC HD 192/24 / WAV 192/24 / ALAC 96/24
-
o / o / o
-
DSD Audio Streaming
o (2.8/5.6MHz)
o
o (2.8/5.6MHz)
Gapless playback
o (FLAC, WAV ,ALAC, DSD)
o (FLAC, WAV)
o (FLAC, WAV ,ALAC, DSD)
Photo Streaming (JPEG)
_
o
_
AirPlay Audio Streaming
o
o
o
Windows PlayTo / Windows8 Certified
-
o / o
-
Internet Radio
o (TuneIn)
o
o (TuneIn)
Spotify Connect / Pandora / SiriusXM*
-
o / o / o
-
Compatible with Remote APP for Smart Phones
Denon 2016 AVR Remote
Android / iOS
Denon 2016 AVR Remote
Compatible with Remote APP for Tablets
Android / iOS / Amazon Kindle
Android / iOS
Android / iOS / Amazon Kindle
Ethernet Ports
o
o
o
Wi-Fi
o
o
o
Bluetooth
o
o
o
Media Server
o
-
o
HEOS Wireless Multi-Room Technology
o
-
o
Lossless formats: FLAC HD 192/24 / WAV 192/24 / ALAC 192/24
o / o / o
-
o / o / o
FLAC HD 192/24
o
-
o
WAV 192/24
o
-
o
ALAC 192/24
o
-
o
Spotify*
o (connect)
-
o (connect)
Pandora
o
-
o
SiriusXM*
o
-
o
Other Streaming Services *
Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / Soundcloud / Mood Mix
-
Amazon Music / TIDAL / Deezer / iHeart Radio / Napster / Soundcloud / Mood Mix
HEOS App Control
o
-
o
HDMI
HDMI Inputs: Back / Front
7 / 1
7 / 1
7 / 1
HDCP 2.2 support
o
o
o
HDMI Outputs: Main / Zone
2 / 1
2 / 1
2 / 1
Video Conversion Analog -> HDMI
o
o
o
Analog to HDMI Scaling
up to 4K 60/50
up to 4K 60/50
up to 4K 60/50
HDMI to HDMI Scaling
up to 4K 60/50
up to 4K 60/50
up to 4K 60/50
GUI Overlay on HDMI
o
o
o
3D Signal Pass-through
o
o
o
4K Signal Pass-through / Scaling / GUI Overlay
o / o / o
o / o / o
o / o / o
HDMI Pass-Through in Standby Mode
o
o
o
Picture Adjust / Noise Reduction
o / o
o / o
o / o
CEC
o
o
o
DSD Audio Capability
o
o
o
Audio Return Channel
o
o
o
Auto LipSync
o
o
o
HDMI: 3D / 4K / CEC / ARC / InstaPrevue
o / o / o / o / _
-
o / o / o / o / _
Enhanced Audio Return Channel
o
-
o
HLG / Dolby Vision
o / o
-
o / o
Multi-room / CI
Multi-Room Zones
3
3
3
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog
o (2ch) / o (2ch) / o / o
o (2ch) / o (2ch) / o / o
o (2ch) / o (2ch) / o / o
Zone Audio Output: Speaker / Preout
o / o
o / o
o / o
Zone HDMI Output from HDMI Source
o
o
o
IP Control / RS232 Control / Web Control / App Control
o / o / _ / o
o / o / o / o
o / o / _ / o
Remote In / Out
o / o
o / o
o / o
DC Trigger Output
1
2
2
HDMI Diagnostics
o
-
o
Others
Auto Speaker Setup by Microphone
Audyssey MultEQ XT32
Audyssey MultEQ XT32 + PRO
Audyssey MultEQ XT32
FL Display
2 lines
2 lines
2 lines
Graphic User Interface - GUI
Advanced
Advanced
Advanced
ISF Certification
o
o
o
GUI Languages
3
3
3
Setup Assistant
o
o
o
Quick Select Plus / Quick Select
o / _
o / _
o / _
Firmware Update by: Network / USB
o / o
o / o
o / o
Variable Cross Over
o
o
o
Optimized Bass Redirection
o
o
o
Bass Sync
o
o
_
ECO Mode
o
o
o
Auto Power Off
o
o
o
Sleep Timer
o
o
o
Inputs/Outputs
Composite In / Out
4+1 / 2
4+1 / 2
3+1 / 2
Component In / Out
2 / 1
3 / 1
2 / 1
HDMI In / Out
7+1 / 3
7+1 / 3
7+1 / 3
Multi-room Video Out: Video / HDMI
_ / o
o / o
_ / o
Analog In / Out
6+1 / _
6+1 / _
5+1 / _
Phono (MM) In
o
o
o
Digital In: Optical / Coaxial
2 / 2
2 / 2
2 / 2
Multi-room Out: Analog / Digital
2 / _
2 / _
2 / _
Multichannel Preout
o (11.2ch)
o (13.2) / _
o (11.2ch)
Subwoofer Out
2 (independent)
2 (independent)
2 (independent)
7.1 Multichannel Input
_
o
_
Speaker Terminal: Gold Plated Screw / Regular Screw
_ / o
o / _
_ / o
Number of Speaker Terminals
11
11
11
Speaker A / B
assignable
assignable
assignable
Bi-amp Drive
assignable
assignable
assignable
Multi-Room Speaker Terminal
assignable
assignable
assignable
Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB
o / o / _ / o / o
o / o / _ / o / o
o / o / _ / o / o
USB Audio / Made for iPod / Made for iPhone
o / _ / _
o / o / o
o / _ / _
AM/FM Tuner
o
HD Radio
o
Specifications
Number of Power Amps
11
9
9
Power Output (8 ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive)
_
_
105 W
Power Output (8 ohm, 20 Hz - 20 kHz, 0.05% 2ch Drive)
140 W
150 W
125 W
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive)
175 W
190 W
165 W
Power Output (6 ohm, 1 kHz, 10% 1ch Drive)
250 W
260 W
235 W
General
Metal Front Panel
o
o
o
System Remote Control
RC-1219
RC-1194
RC-1219
Pre-programmed / Learnable / LCD Display
o / _ / _
o / o / o
o / _ / _
Power Consumption in W
750
780
710
Power Consumption No-Sound (ECO On / Off) in W
65 / 110
70 W / 125 W
65 / 110
Standby Consumption in W
0.1
0.1
0.1
CEC Standby Consumption in W
0.5
0.5
0.5
Network Control On Consumption in W
4.5
4.5
4.5
Maximum Dimensions
Antenna: Horizontal: (W x D x H) in Inches
Antenna: Vertical: (W x D x H) in Inches
W/O Antenna: (W x D x H) in Inches
17.1 x 15.1 x 6.6
17.1 x 17.2 x 7.7
17.1 x 17.2 x 10.2
17.1 x 16.9 x 7.7
17.1 x 15.3 x 6.6
Weight in LBS
31.1
37.7
29.8
Network Standby Consumption in W
_
-
_

Awards & Reviews

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Downloads

  • Name
    Date
    Size
    Type
    Action
  • Online Manual
    --
    --
  • AVR-X6400H Specification Sheet
    8/15/2017
    1.48 MB
  • AVR-X6400H Owner's Manual - English
    8/16/2017
    17.62 MB
  • AVR-X6400H Owner's Manual - Spanish
    8/16/2017
    17.70 MB
  • AVR-X6400H Quick Start Guide
    8/16/2017
    4.24 MB