Arcam AVR31 Hi-end home cinema amplifier
The AVR31 is a high-power, audio/visual receiver that delivers stunning realism for the ultimate home cinema experience. With native 16-channel decoding of immersive audio from Dolby Atmos, DTS:X and Auro-3D, the AVR31 can deliver incredible theatre experiences.
The Arcam AVR31 is designed with a passion for music and movies, bringing both to life with high fidelity and dynamics. The AVR31 features an over engineered toroidal transformer for real world power with low noise. The 7 channels of Class G amplification are based upon those in Arcam stereo amplifiers, guaranteeing musicality otherwise not heard from other AV receivers.
The performance and musicality can be assured with Dirac Live® room optimisation included, and accessed instantly with integrated streaming using Apple®Airplay2, Google Chromecast®, Bluetooth with aptX®HD, Spotify Connect, Tidal Connect and UPnP with the MusicLife app.
Dirac Live® Bass Control is available at an additional cost via the Dirac website
Dirac Live® Bass Control aggregates measurement and location data from each subwoofer as well as the main speakers to determine how a system’s bass is distributed throughout the room
| Specification | Details |
|---|---|
| Model | Arcam AVR31 |
| Channels (Amplified) | 7 channels (Class G) |
| Immersive Audio Decoding | Dolby Atmos, DTS:X, AURO‑3D — up to 16 channels |
| HDMI Inputs / Outputs | 7 × HDMI inputs, 3 × HDMI outputs (incl. Zone 2 & eARC), HDMI 2.1 / HDCP 2.3 |
| Video Support | 8K @ 60 Hz & 4K @ 120 Hz, Dolby Vision, HDR10+, HDR10, HLG |
| DAC | Dual ESS 9026PRO audiophile DACs with reference regulators |
| Power Output (2 ch, 8 Ω, 20 Hz–20 kHz, <0.02% THD) | 120 W / channel |
| Power Output (2 ch, 4 Ω) | 200 W / channel |
| Power Output (7 ch, 8 Ω, 1 kHz, 0.2% THD) | 100 W / channel |
| Power Output (7 ch, 4 Ω) | 180 W / channel |
| Residual Noise & Hum (A‑weighted) | < 0.15 mV |
| Stereo Line Input — Max Input | 4.5 V RMS |
| Input Impedance (Line) | 47 kΩ |
| Frequency Response (Analog) | 20 Hz – 20 kHz ± 0.2 dB |
| Headphone Output | 5 V RMS @ 32 Ω, output impedance < 100 Ω |
| Connectivity & Streaming | Wi‑Fi, Ethernet, RS232, IR, Chromecast Built‑in, Apple AirPlay2, Bluetooth aptX HD, MQA, Roon Ready, UPnP (MusicLife app) |
| Room Correction | Dirac Live® (ready for Bass Control upgrade) |
| Power Requirements | 110–120 V or 220–240 V, 50–60 Hz |
| Dimensions (W × D × H) | 433 × 425 × 171 mm |
| Net Weight | 18.1 kg |






