Immersive Home Cinema. Powerful Performance. Advanced Control
The Denon AVC-X3900H is a premium AV amplifier designed to bring immersive cinema sound, detailed music reproduction and advanced connectivity to modern home entertainment systems. With nine channels of built-in amplification and 11.4-channel audio processing, it provides the flexibility to create sophisticated surround sound and Dolby Atmos speaker configurations.
Delivering 105 watts per channel under Denon's specified two-channel measurement conditions, the AVC-X3900H combines powerful amplification with support for Dolby Atmos, DTS, Auro-3D, IMAX Enhanced and 360 Reality Audio. Its four independent subwoofer outputs, advanced room correction and flexible pre-out connectivity make it suitable for carefully planned home theatre installations.
With 4K/8K HDMI connectivity, HEOS multi-room streaming, Bluetooth, AirPlay 2 and a dedicated phono input, the AVC-X3900H serves as a central hub for movies, gaming, music and connected entertainment.
Key Features
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Nine Channels of Built-In Amplification – Delivers 105 W per channel at 8 ohms under the manufacturer's specified two-channel test conditions, providing dynamic performance for compatible home theatre speakers.
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11.4-Channel Audio Processing – Supports advanced system configurations with additional processing flexibility for immersive surround and height channels.
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Dolby Atmos and DTS – Experience three-dimensional sound with compatible content and correctly configured speakers.
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Auro-3D and IMAX Enhanced – Supports additional immersive audio formats for compatible films, music and home cinema systems.
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Four Independent Subwoofer Outputs – Provides flexible bass-system configuration and independent subwoofer connections.
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Advanced Room Correction – Audyssey room calibration tools help optimise speaker levels, distances and frequency response for the listening environment.
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Dirac Live Upgrade Ready – Supports an optional Dirac Live room-correction upgrade, subject to licensing and compatibility requirements.
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4K/8K HDMI Connectivity – Six HDMI inputs and three HDMI outputs support modern video sources and display configurations, including an eARC-capable output.
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HEOS Built-In – Stream supported music services and integrate compatible HEOS devices into a multi-room audio system.
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Apple AirPlay 2 and Bluetooth – Enjoy convenient wireless music playback from compatible devices.
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11.4-Channel Pre-Outs – Connect external power amplifiers to expand or customise the system.
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Dedicated Phono Input – Connect a compatible moving-magnet turntable for vinyl playback.
Designed For Immersive Home Theatre
The Denon AVC-X3900H is designed for enthusiasts who want a more enveloping cinema experience than conventional stereo or basic surround systems can provide.
With support for Dolby Atmos and DTS, compatible soundtracks can place effects around and above the listening position. Auro-3D and IMAX Enhanced support adds further options for compatible content, while the receiver's 11.4-channel processing capability provides flexibility when planning a dedicated home cinema.
Nine onboard amplifier channels can power a range of compatible speaker layouts. For larger or more ambitious installations, the 11.4-channel pre-outs allow external amplification to be incorporated into the system design.
The result is a flexible platform for building a home theatre around the room, speaker selection and desired level of immersion.
Powerful, Detailed And Controlled Sound
The AVC-X3900H is rated at 105 W per channel into 8 ohms, measured from 20 Hz to 20 kHz with 0.08% total harmonic distortion and two channels driven. Denon also specifies 135 W per channel into 6 ohms at 1 kHz with 0.7% distortion, under its stated two-channel measurement conditions.
These ratings provide a useful basis for matching the amplifier with compatible speakers. Actual multichannel output depends on speaker impedance, programme material, ventilation and how many amplifier channels are driven simultaneously.
Carefully configured speaker settings, suitable crossover frequencies and appropriate subwoofer integration help the system deliver clear dialogue, convincing dynamics and controlled bass across movies, music and gaming.
Advanced Bass Management And Room Calibration
The AVC-X3900H features four independent subwoofer outputs, giving system designers greater flexibility when positioning and integrating multiple subwoofers.
Its Audyssey room-calibration suite helps account for the listening room's acoustic characteristics by measuring the connected speakers and adjusting settings such as channel levels, distances and tonal response. Proper calibration can improve consistency across the listening area and help integrate the subwoofer system with the main speakers.
For users seeking additional room-correction options, the amplifier is prepared for an optional Dirac Live upgrade. Availability, licence requirements and supported features should be confirmed for the intended market before purchase.
Modern Video Connectivity And Gaming
The AVC-X3900H is equipped for modern home entertainment with six HDMI inputs and three HDMI outputs, including an eARC-capable connection. Its HDMI platform supports compatible 4K and 8K video signals, alongside HDR formats and HDCP 2.3 copy protection.
Support for Dolby Vision, HDR10+, HDR10 and HLG helps preserve compatible high-dynamic-range picture content when used with suitable sources and displays.
Gaming features include Variable Refresh Rate (VRR), Quick Frame Transport (QFT) and Auto Low Latency Mode (ALLM) with compatible equipment. These technologies are designed to support smoother gameplay and reduce display latency in supported configurations.
For best results, confirm the required HDMI signal format, resolution, refresh rate and cable capability for each connected source and display.
Heos Streaming And Connected Entertainment
HEOS Built-in brings network music streaming and compatible multi-room audio control into the AVC-X3900H. Through the HEOS app, supported services and compatible devices can be managed across an integrated home audio system.
Apple AirPlay 2 and Bluetooth provide additional ways to play music wirelessly from compatible phones, tablets and computers. Network playback options include supported services and formats, with availability varying by region, subscription and software support.
A dedicated moving-magnet phono input also makes it possible to connect a compatible turntable directly, allowing vinyl playback through the home cinema system.
Flexible System Expansion
The AVC-X3900H is designed to adapt to different installation requirements. Its 11.4-channel pre-outs allow external amplifiers to be added where more amplification or a custom system configuration is required.
Assignable speaker terminals, bi-amplification options and multi-zone capabilities provide further flexibility, depending on the selected amplifier assignment and system layout.
Whether configured for a family entertainment room or a dedicated cinema, careful system planning helps maximise performance, simplify operation and create a consistent listening experience.
Features
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9.4-channel AV amplifier with nine onboard power amplifier channels.
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11.4-channel audio processing.
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105 W per channel at 8 ohms, 20 Hz–20 kHz, 0.08% THD, two channels driven.
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Dolby Atmos, DTS, Auro-3D and IMAX Enhanced support.
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360 Reality Audio support.
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Four independent subwoofer outputs.
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Audyssey room correction.
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Dirac Live upgrade ready.
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Six HDMI inputs and three HDMI outputs.
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4K/8K video support with compatible sources and displays.
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Dolby Vision, HDR10+, HDR10 and HLG support.
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VRR, QFT and ALLM gaming features.
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HDMI eARC.
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HEOS Built-in network streaming.
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Apple AirPlay 2 and Bluetooth.
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Spotify Connect and other supported network playback services.
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Dedicated moving-magnet phono input.
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11.4-channel pre-outs for external amplification.
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Multi-source and multi-zone functionality.
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Assignable speaker terminals and bi-amplification options.
Specifications
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Brand: Denon
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Model: AVC-X3900H
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Product Type: Integrated network AV amplifier
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Amplifier Channels: 9
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Processing Capability: 11.4 channels
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Rated Power Output: 105 W per channel into 8 ohms, 20 Hz–20 kHz, 0.08% THD, two channels driven
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Additional Power Rating: 135 W per channel into 6 ohms, 1 kHz, 0.7% THD, two channels driven
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Supported Audio Formats: Dolby Atmos, DTS, Auro-3D, IMAX Enhanced and 360 Reality Audio
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Subwoofer Outputs: 4 independent outputs
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HDMI Inputs: 6
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HDMI Outputs: 3
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HDMI Audio Return: eARC
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Video Support: Compatible 4K/8K signals
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HDR Support: Dolby Vision, HDR10+, HDR10 and HLG
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Gaming Features: VRR, QFT and ALLM
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Room Correction: Audyssey; Dirac Live upgrade ready
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Network Audio: HEOS Built-in and supported streaming services
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Wireless Connectivity: Wi-Fi and Bluetooth
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Apple AirPlay: AirPlay 2
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Phono Input: Moving-magnet (MM)
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Multichannel Pre-Outs: 11.4
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Independent Multi-Zone Capability: Two-zone system support
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Power Consumption: 660 W
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Dimensions (W × D × H, antennas horizontal): Approximately 43.4 × 38.9 × 16.8 cm
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Weight: Approximately 12.5 kg
In The Box
Please confirm the exact retail package contents for the intended market with the distributor. The standard package documentation should be checked for the AVC-X3900H amplifier, remote control, setup microphone, antennas, power cable, batteries, documentation and any included accessories. Package contents may vary by region or retail bundle.
Why Buy From Soundtrails
Choosing the right AV amplifier requires careful consideration of speaker compatibility, room size, immersive audio requirements, subwoofer configuration and video connectivity.
At SoundTrails, our Audio Video Architects help you plan complete home theatre systems tailored to your room, equipment and listening preferences. From amplifier and speaker matching to room calibration, system integration, professional installation and after-sales support, we focus on genuine products and thoughtfully integrated solutions designed to deliver an exceptional long-term listening experience.
