9‑channel Class D home‑theater amplifier from the Arcam Radia series. 9 × 100 W, Dolby Atmos, DTS:X, Dirac Live room correction, HDMI 2.1 (8K) support, and Hi‑Res audio streaming.

The AVA15 features nine Class D amplification channels delivering 100 W into 8 Ω, expandable to 75 W into 8 Ω with all channels active — sufficient to drive surround and height speakers without an external amplifier. Native support for 7.1.2 and 5.1.4 configurations, with the ability to add additional subwoofers or height speakers by reassigning channels. Harmonic distortion at 80 % load into 8 Ω at 1 kHz is 0.01 %.
Onboard decoding of Dolby Atmos, Dolby TrueHD, DTS:X, and DTS HD Master Audio requires no external processor. Dolby Atmos and DTS Virtual:X height virtualization simulate height channels in a standard 5.1 setup without ceiling speakers. MPEG-H decoding is also included, anticipating future audio formats from next-generation TV broadcasts.
Dirac Live measures your room's acoustic response using the supplied microphone and generates real-time correction filters applied per channel. Improvements are audible from the first measurement: the soundstage stabilizes, bass becomes defined, and dialogue clarity improves. Dirac Live Bass Control and Dirac Live Active Room Treatment are available as paid options for deeper low-frequency optimization.
The seven HDMI 2.1a inputs support up to 8K/60 Hz or 4K/120 Hz with VRR, ALLM, HDR10+, Dolby Vision, and HLG — covering all current TV and gaming console features. eARC on output 1 returns TV audio to the AVA15. In streaming, 802.11ac Wi-Fi, AirPlay 2, Google Cast, Spotify Connect, Tidal Connect, Qobuz Connect, and Roon Ready make the AVA15 a complete audio hub.
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Specific References
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