Further information

Denon X-Series AV receivers are designed for enthusiasts who value immersion, control, and system flexibility. Supporting leading immersive audio formats, future- ready HDMI connectivity, and customizable speaker layouts, X-Series receivers provide a strong foundation for dedicated home theater and music systems. Built-in advanced Audyssey room correction technologies align sound to your space, with select models offering an optional upgrade to Dirac Live’s suite of room correction technologies for users seeking expanded tuning capabilities. Multiroom streaming Powered by HEOS completes an experience built to scale over time.

Designed to power immersive home theater systems that prioritize control and cohesion, the Denon AVCX3900H delivers powerful multichannel sound shaped by 3D audio formats like Dolby Atmos and DTS:X. Advanced room correction optimizes your system for your environment so sound remains balanced across expansive speaker layouts. Support for both 4K and 8K video and flexible surround configurations lets you expand your system over time, while modern connectivity unifies TV, gaming, and music into a single entertainment hub.

With 105 watts per channel of clean amplification, the AVC-X3900H drives speakers with control and confidence, keeping dialogue intelligible at any volume level while effects and music retain impact and detail. Dynamic scenes feel balanced rather than strained, and quiet moments remain clear and nuanced. The result is a more immersive listening experience across movies, music, and games—where sound feels natural, enveloping, and consistently engaging.

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, pulling you deeper into movies, music, and games. Transform everyday entertainment into a cinematic experience.

Enjoy a more intuitive way to bring all your entertainment together. With TV, gaming consoles, and streaming sources connected through a single 4K/8K-ready hub, everything works as part of one cohesive setup. Advanced HDMI connectivity supports high-resolution video and fast-moving visuals and streamlines connectivity, making setup straightforward and everyday use effortless.

The AVC-X3900H supports modern 4K and 8K video formats for films, shows, and games, with Dolby Vision technology for rich color, contrast, and detail. For HD sources such as non- Ultra HD Blu-ray discs, built-in upscaling enhances detail and clarity when viewed on today’s higher-resolution TVs. Upscaled video is optimized for both 4K and 8K displays, helping legacy content look sharper and more refined while preserving the richness, color, and contrast of highdefinition media.

The AVC-X3900H is built for immersive surround systems, powering up to nine speaker channels while supporting 11-channel processing, allowing expanded layouts when paired with external amplification. This flexibility supports configurations such as 7.1.4 or 5.1.6, giving you more options for surround and height channels as your system evolves. Whether you’re prioritizing cinematic immersion, spatial accuracy, or future expansion, the AVC-X3900H provides a foundation for surround sound designed around your room and listening style.

Immerse yourself in powerful, evenly distributed lows with support up to four subwoofers. Standard mode blends all subwoofers to smooth output across the room for consistent impact at every seat. You won’t hear audible peaks or dips— just deep, room-filling bass. Directional mode associates bass effects more closely with onscreen action, helping lowfrequency energy feel intentional and controlled without overwhelming the room.

Every room shapes sound in its own way. The AVC-X3900H includes a built-in suite of Audyssey room correction tools, including MultEQ XT32, Sub EQ HT, Dynamic Volume, Dynamic EQ, and Low Frequency Containment (LFC), to align speaker levels, timing, and tonal balance for clear dialogue and cohesive surround performance. For more precise system tuning, the AVC-X3900H offers an optional upgrade to Dirac Live tools including Room Correction, Bass Control, and Active Room Treatment.

Built for serious gaming, the AVC-X3900H delivers smooth motion and tight responsiveness. With 4K/120Hz support, Variable Refresh Rate, Auto Low Latency Mode, and AMD FreeSync, fast-paced action stays clean and fluid. Dolby Atmos and DTS:X deliver 3D sound that moves with the action, sharpening awareness and pulling you deeper into every world—whether you’re exploring vast landscapes or battling online.

The AVC-X3900H supports two-source, two-zone playback with dedicated audio pre-outs and one HDMI output just for zone 2, allowing different content to play in separate rooms simultaneously. A built-in web user interface provides access to system settings and controls directly from a computer or mobile device, without requiring the TV to be on. Designed for enthusiasts who want greater visibility and control, the interface mirrors core on-screen functions, enabling system adjustments, source management, and configuration from anywhere on your network.

Designed in Japan, the AVC-X3900H is precision-tuned by the Denon Sound Master to deliver the most lifelike performance possible. You get rich, expansive sound—so movies feel more cinematic, music feels more intimate, and you experience every moment exactly as it was meant to be heard.

Great sound doesn’t stop at your TV. With HEOS, your AV receiver becomes the first zone in a flexible multiroom system, letting you stream music, TV audio, sports, podcasts, and other content to components Powered by HEOS throughout your home. Play the same song everywhere or choose different music for different spaces, all controlled from the HEOS app. It’s an easy way to grow from one room into a fully connected listening experience.

Operating your system should feel intuitive. Onscreen channel level monitoring provides real-time insight into speaker input levels by channel, helping you understand and adjust playback with confidence. A backlit remote supports confident navigation in low-light environments, while support for third-party control systems lets the AVC-X3900H integrate smoothly into smart-home or custom control environments.

Wi-Fi and Bluetooth connectivity support flexible streaming from your everyday devices. Bluetooth headphone support enables private listening for late-night movies or shared spaces, with onboard output level adjustment for fine-tuning volume even on headphones without their own controls.

Enjoy a more rewarding way to explore and listen to your music. With Roon Ready integration, your library comes together in one rich experience, complete with extended artist details, album credits, and intuitive navigation. Control playback from any Roon device and enjoy high-quality, bit-perfect audio delivered directly to your system. It’s a refined, musicfirst listening experience designed for deeper discovery and effortless control.

Reviews

External links

Specification

Number of Processing Channels 11.4

Subwoofer Out 4

(Independent) Number of Power Amps 9

Power Output

105 W (8 ohm, 20 Hz- 20 kHz, 0.08% 2ch Drive)

Maximum Dimensions

Antenna:Horizontal: (W × D × H) in mm 434 × 389 × 167

Antenna:Vertical: (W × D × H) in mm 434 × 389 × 236

w/o Antenna: (W × D × H) in mm  434 × 379 × 167