DENON AVC-X3900H 9.4 Channel AV Amplifier
AVR-X3900H 9.4 Ch. 105W 4K/8K Dolby Atmos AV Receiver Powered by HEOS™
The Denon AVC-X3900H delivers immersive home cinema experiences with powerful multichannel sound, high-resolution video support, advanced room correction and flexible system configurations, plus whole-home streaming powered by HEOS.
Immersive 3D Home Cinema With Room To Grow
Designed for enthusiasts building serious home theatre systems, the Denon AVC-X3900H combines 9 channels of amplification with 11.4 channel processing, support for immersive audio formats including Dolby Atmos, DTS:X, AURO-3D and IMAX Enhanced, plus advanced room correction and flexible speaker configuration options. Whether you are building a dedicated cinema room or upgrading a high-performance living room setup, the AVC-X3900H is designed to deliver expansive, controlled, and deeply engaging surround sound.
Support for 4K and 8K HDMI connectivity allows the AVC-X3900H to function as the central hub for modern entertainment systems, bringing together televisions, gaming consoles, media players, and streaming platforms through a single unified system. Advanced gaming features including VRR, ALLM, and QFT help maintain responsive gameplay and smooth motion with compatible hardware.
The AVC-X3900H supports up to four independently controlled subwoofers, allowing more consistent bass performance across larger rooms and multi-seat listening spaces. Directional Subwoofer Mode also enables more localized low-frequency effects, helping bass feel more tightly integrated with onscreen action.
Advanced room correction technologies including Audyssey MultEQ XT32, Dynamic EQ, Dynamic Volume, Sub EQ HT, and Low Frequency Containment help optimize system performance for your room and speaker layout. Optional Dirac Live upgrades are also supported for users seeking deeper calibration and system tuning control.
Built-in HEOS multiroom streaming support allows music playback throughout the home using compatible HEOS-enabled products, while Wi-Fi, Bluetooth, Apple AirPlay 2, and Roon Ready support provide flexible streaming options across a wide range of devices and ecosystems.
The heart of your premium sound system
The Denon AVC-X3900H brings immersive home cinema experiences to life with powerful multichannel sound, support for high-resolution video and immersive audio formats, and advanced room correction. A flexible design supports expansive system configurations, with whole-home streaming powered by HEOS.
Advanced capabilities, effortlessly delivered
Immersive audio, precisely rendered
Films, games and music unfold with enveloping sound that maintains clarity, scale and spatial detail throughout every moment.
Surround sound designed for your space
Flexible surround and height channel options support immersive 3D audio across a wide range of room sizes and layouts.
Confident control, refined performance
Advanced system management and automatic tuning deliver consistent, balanced performance without ongoing manual adjustment.
AVC-X3900H
Built for serious home cinema
Premium power for clear, detailed sound.
With 105 watts per channel of clean amplification, the AVC-X3900H delivers controlled, dynamic sound that preserves dialogue clarity, reveals fine detail, and keeps films, music and games engaging at any volume.
3D audio immersion
Lose yourself in breathtaking 360-degree sound with Dolby Atmos, DTS:X, AURO-3D, IMAX Enhanced and 360 Reality Audio. Experience immersive audio that surrounds you from every direction, drawing you deeper into films, music and games.
One hub for all your entertainment
Connect your TV, gaming consoles and streaming sources through a single 4K/8K-ready hub with advanced HDMI connectivity designed for smooth performance and modern entertainment systems.
Support for high-definition picture
Watch films and shows in crisp 4K or 8K detail, with Dolby Vision technology and HD content upscaled for modern displays to maximise resolution, colour and contrast.
Build a surround system your way
Support for 9 amplified channels with 11-channel processing gives you the flexibility to design immersive surround and height speaker layouts that adapt to your space.
Wireless audio in every room
HEOS® puts whole-home sound at your fingertips
Imagine a world where filling your home with music is as easy as hitting Play. That’s HEOS. Wirelessly stream your favorite music and audio entertainment to every room. Control it all with the free HEOS app. Get up and running in minutes and start streaming without the stress. The HEOS app makes setup quick and seamless—no wires, no hassles, just pure sonic bliss.
ROOM TUNING
Advanced room correction and system optimisation
A built-in suite of Audyssey room correction tools optimises sound for your space, with the option to upgrade to Dirac Live room correction for even more precise system tuning.
FAST, SMOOTH GAMEPLAY
High-performance gaming
Serious gamers will enjoy ultra-smooth 4K play, fast response times and 3D audio that moves with the action. Variable Refresh Rate, Auto Low Latency Mode and AMD FreeSync™ keep gameplay fluid and responsive.
STABLE AND RELIABLE
70% Guarantee
As surround systems grow, maintaining consistent power across speakers becomes critical to preserving balance and impact. Denon’s 70% Power Guarantee means our AVRs deliver over 70% of rated output to up to five channels simultaneously—helping dialogue stay clear, effects remain controlled and dynamics feel natural as your system expands beyond stereo into multichannel surround.
Sonic Innovation
For the Past 110 Years
For more than a century, we've crafted cutting-edge audio products that deliver the ultimate detail. Our Japanese heritage inspires us, and each product is hand-tuned by our sound master. Prepare to hear sound differently.
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