DENON AVR-X6400H 11.2-Ch x 140 Watts A/V Receiver w/HEOS

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.

*Sold exclusively within the US only. No shipments allowed outside the US!

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BLOCKBUSTING 3D-SOUND.

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

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 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.

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.

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.

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.

HEOS + Alexa — Speak Your Commands

Use your voice to stream your favorite music services to this HEOS-enabled device. Ask Alexa to play music from Pandora, Spotify, Amazon Music and much more. Switch between inputs (Blu-ray, DVD, Media Player, etc.), turn volume up or down, pause, mute and play the next song — all with your voice.

To start streaming with Alexa voice commands, open the Alexa app and select “Skills.” Add HEOS Home Entertainment to enable. Then, go to Smart Home in the Alexa app menu and choose Devices and Discover or say “Alexa, discover my devices.”

With HEOS Home Entertainment and Alexa, you can stream to this product and any other HEOS-enabled device.

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.

Buying a Denon Factory Refurbished product is a great way to get "as-new" products at a considerable savings. Every product has been thoroughly tested, repaired (if necessary), cleaned and otherwise renewed to original condition. Next it's repackaged with original accessories included. When you consider that a factory-renewed Denon product undergoes such close scrutiny for defects and workmanship, you might actually be buying something that is in many ways better than new. And for your piece of mind and protection, your purchase is covered by a full 1 year parts and labor warranty valid at any authorized Denon repair center (you can look-up locations online here or call 800-497-8921)

Denon, like all electronics manufactures, receives products returned for various reasons. In 2023 consumers returned 23 billion dollars in electronics globally, of which less than 5% were found to be defective! Once a product has been opened, it must be resold as refurbished or open box and cannot be resold as new again. The history and reason why a product was returned is not provided to us, thus we cannot provide any additional details regarding its past. All products are processed by Denon certified technicians, where they are fully tested, repaired (only if necessary), and retested again to ensure the highest quality control. Each unit must pass a complete battery of test before it can be titled a "Denon Factory Refurbished" product.

Most (not all) units are cosmetically in Mint Condition (graded a 9 or higher on a scale of 1-10). Very minor signs of wear (light surface scuffs or minor scratches) may be present, although most units show little or no signs of any usage. We DO NOT sell products that are cosmetically damaged (cracked displays, broken knobs, heavy scratches, or physically abused) unless noted in the description. Unfortunately, we cannot provide actual photos of each unit or pick the best one for anyone, as they are all randomly chosen from our factory sealed boxes.

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