Denon AVRX6400H(BLK) 11 Channel AVR

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Denon AVRX6400H(BLK) 11 Channel AV Surround Receiver with built in Heos

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.

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.

Blockbusting 3D-Sound Surround yourself in cinema-grade sound from literally any direction. 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 theatre experience - including Dolby Surround upmixer for legacy content.

Geared Up For 4K Ultra HD Enjoy ultra-high-definition pictures, even from analogue and digital SD sources. All eight HDMI inputs and two 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 broadcast over TV.

Get The HEOS Experience HEOS is a wired and wireless music system that allows you to control all your music effortlessly from anywhere in your home. All you need is one or more HEOS zones and the free app. The music is at your command. Stream or play selections from your library to your Wi-Fi speaker system. Party and Family modes allow you to play one song everywhere, or different songs in every room. The choice is yours.

DTS HD Master Yes
DTS:X: Yes
Dolby TrueHD: Yes
Dolby Atmos: Yes

Multichannel Surround

Dolby ProLogic II: No
Dolby Surround: Yes
Multichannel Stereo: Yes
Max Number of Processing (Preamp) Channels: 11.2
Mono Block Power Amp Construction: No
Discrete Power Amplifier: 11
D.D.S.C. HD Digital: Yes (32-bit)
Pure Direct: Yes
High Grade Audio Components: Yes
Gold Plated RCA Terminals: Yes

Sound Enhancements

Clock Jitter Reducer: Yes
Alpha Processing: AL32 Processing Multichannel
Audyssey: MultEQ XT32
Audyssey Dynamic EQ : Yes
Dynamic Volume: Yes
Audyssey LFC: Yes
Compressed Audio Restorer: Yes

HEOS Multiroom and Streaming : Yes
Network Audio Streaming: Yes
Lossy Formats: MP3 / WMA / AAC: Yes
Lossless Formats: FLAC / ALAC / WAV: Yes, Yes, Yes
Lossless Formats: FLAC HD 192/24 / WAV 192/24 / ALAC 96/24: Yes, Yes, Yes
DSD Audio Streaming: up to DSD5.6
FLAC HD 192/24 Yes


WAV 192/24: Yes
ALAC 96/24: Yes
Gapless Playback Yes, FLAC, WAV, AIFF, ALAC, DSD
AirPlay Audio Streaming: Yes
Spotify Connect* / Tidal* / Deezer* / others *: Yes, Yes, Yes, Yes
Ethernet Ports Yes
Wi-Fi: Yes
Bluetooth: Yes
Network Audio Streaming: Yes
Internet Radio: TuneIn
HDMI Inputs: 7 Back, 1 Front
HDCP 2.2 support: Yes
HDMI Outputs: Main / Zone 2 / 1
Video Conversion Analog -> HDMI: Yes
Analog to HDMI Scaling: up to 4K 60/50
HDMI to HDMI Scaling: up to 4K 60/50
GUI Overlay on HDMI: Yes


4K Signal Pass-through / Scaling / GUI Overlay: Yes, Yes, Yes
HDMI pass-though in standby mode: Yes
Picture Adjust: Yes
Noise Reduction: Yes
CEC: Yes
Audio Return Channel: Yes
DSD Audio Capability: Yes
Audio Return Channel: Yes
Auto LipSync: Yes
HEOS Multiroom and Streaming : Yes
Multi-Room Zones: 3
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog: Yes, Yes, Yes, Yes

Muiltiroom / Ci

Zone Audio Output: Speaker / Preout: Yes, Yes
Zone HDMI Output from HDMI Source: Yes
IP Control / RS232 Control / Web Control / App Control: Yes, Yes, No, Yes
Remote In / Out: Yes, Yes
DC Trigger Output: 1
Composite In / Out: 3 +1 / 2
Component In / Out: 2 / 1
HDMI In / Out: 7+1 / 3
Multi-room Video Out: Video / HDMI: No, Yes
Analogue In / Out: 6 + 1, 0
Phono (MM) In: Yes
Digital In: Optical / Coaxial: 2, 2
Multi-room Out: Analog / Digital: 2 / 0
Multichannel Preout: Yes (11.2)

Inputs / Outputs

Subwoofer Out: 2 (independent)
7.1 Multichannel Input: No
Speaker Terminal:: Regular Screw
Number of Speaker Terminals: 11
Speaker A/B / Bi-amp Drive / Multi-Room Speaker: assignable
Speaker A / B: assignable
Bi-amp Drive: assignable
Multi-Room Speaker Terminal: assignable
Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB: Yes, Yes, No, Yes, Yes
USB Audio / Made for iPod / Made for iPhone: Yes, Airplay, Airplay
FM Tuner with RDS: Yes
Number of power amps : 9
Power Output (8 ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive): TBC


Power Output (8 ohm, 20 Hz - 20 kHz, 0.05% 2ch Drive) 140
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive): 175 W
Power Output (6 ohm, 1 kHz, 1% 1ch Drive): 205 W
Metal Front Panel: Yes
System Remote Control: RC-1219
Power Consumption in W: 750 W


Standby Consumption in W: 0.1 W
CEC Standby Consumption in W: 0.5W
Network Control On Consumption in W: TBC
Dimensions (W x D x H): 434 x 393 x 167 mm
Dimensions Antenna Vertical (W x D x H): 434 x 393 x 235 mm
Weight in kg: 14.5 Kg
Manufactures Warranty*: Domestic -2 Years RTB, Commercial - 6 Months RTB
Please complete this online Returns Form

Warranty Info

After 28 Days Of Purchase*:
(Within The Manufactures Warranty)
The return / repair is managed by Sontec.
Please click through to their Service Centre
*Terms & Conditions: : For further information regarding AWE's returns procedures please see chapters 7 & 8 in our Terms & Conditions


  • 11.2 channel AV Receiver with 205W per channel
  • HEOS wireless multi-room music streaming, controlled by free HEOS app
  • Wide array of music streaming services
  • Dolby Atmos
  • DTS:X
  • Auro-3D Upgradeable
  • Latest HDMI 2.0a Connectivity; HDCP 2.2 Compatible; ISF-Certified
  • Built-in Bluetooth, Wi-Fi and AirPlay capability