Denon AVC-X3900H 9.4 Ch. 105W 4K/8K Dolby Atmos AV Amplifier Powered by HEOS

The AVC-X3900H is a powerful 9.4-channel AV amplifier designed for immersive home cinema and high-quality music playback. Supporting Dolby Atmos, DTS:X and Auro-3D, it delivers detailed surround sound with strong clarity and impact. With 105 watts per channel, it provides confident performance for larger speaker systems. HEOS multi-room streaming, advanced room correction and modern 4K/8K HDMI connectivity make it a flexible choice for films, gaming and music in premium home entertainment setups.

AVC-X3900H

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.

Key Features
• 9.4 channels
• 105 watts of power
• 3D audio
• 4K/8K HDMI
• Powered by HEOS™
• Dirac Live full suite upgrade ready

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.

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.

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 Ficture
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.