Denon AVC-X3900H – 9.4-Channel 8K AV Receiver with HEOS

The Denon AVC-X3900H is a 9.4-channel AV receiver for serious home theater, delivering 105 watts per channel with full 8K video, four independent subwoofer outputs and the widest 3D audio support in the X-Series. Dolby Atmos, DTS:X, Auro-3D and IMAX Enhanced combine with Audyssey calibration and HEOS streaming.

Key Features

• 9.4-channel amplification: 105 W per channel (8 ohm), with 11.4-channel processing for larger immersive layouts.
• 8K HDMI: 6 HDMI inputs (all 8K) and 3 outputs (1 with eARC), plus 4K/8K upscaling.
• Full 3D audio suite: Dolby Atmos, DTS:X, Auro-3D and IMAX Enhanced.
• Four independent subwoofer outputs: Flexible multi-sub bass management.
• Audyssey room correction: MultEQ XT with the supplied microphone; Dirac Live upgradeable.
• HEOS multi-room: Wireless streaming across rooms.

Customer Benefits

With 9.4 channels of amplification and 11.4-channel processing, the AVC-X3900H scales to ambitious Atmos, DTS:X and Auro-3D layouts, while four subwoofer outputs and Audyssey/Dirac calibration deliver even, room-tuned bass across the whole listening area.

Quick Specs

• Amplifier channels: 9.4 (11.4 processing)
• Power: 105 W (8 ohm, 20 Hz–20 kHz, 0.08%, 2ch)
• HDMI: 6 in (all 8K) / 3 out (1× eARC)
• Surround formats: Dolby Atmos, DTS:X, Auro-3D, IMAX Enhanced
• Room correction: Audyssey MultEQ XT (Dirac Live upgradeable)
• Subwoofer outputs: 4 (independent)
• Streaming: HEOS multi-room
• Display: 1-line FLD | Remote: RC-1262
• Dimensions: 434 × 389 × 167 mm
• Weight: 12.5 kg

What's in the Box

• Denon AVC-X3900H AV receiver
• RC-1262 remote control with batteries
• Audyssey calibration microphone
• Indoor FM antenna
• Quick start guide & safety documents

Compatibility

Compatible with 8K and 4K displays over HDMI, supports Dolby Atmos, DTS:X, Auro-3D and IMAX Enhanced, and integrates with the HEOS app for multi-room audio. Dirac Live upgrade available.

Pros & Cons

✅ Pros:

• 9.4 channels with 11.4-channel processing
• Four independent subwoofer outputs
• Auro-3D and IMAX Enhanced on top of Atmos/DTS:X
• Full 8K HDMI with eARC; Dirac Live ready

⚠️ Cons:

• Larger footprint and weight than entry models
• Premium price versus 7-channel receivers

The Denon AVC-X3900H is a flagship-grade X-Series receiver for immersive, multi-subwoofer home theater.