Arcam Radia series integrated amplifier, 2×80 W Class AB. Features Bluetooth with Snapdragon Sound, Auracast, HDMI eARC input, and a built‑in MM phono stage.

The A15+ delivers 2×80 W into 8 Ω with a reinforced power supply compared to the A15, resulting in a clear dynamic headroom on orchestral passages and short transients. Harmonic distortion drops to 0.002 % at full load — a figure rarely seen in amplifiers at this price point. ARCAM's Class AB design prioritizes musicality: the sound remains dense and warm even at low volume.
Snapdragon Sound transmits wireless audio in lossless quality up to aptX Lossless, avoiding the resolution loss of typical SBC codecs. Auracast allows simultaneous streaming to multiple compatible headphones or speakers without prior pairing — ideal for sharing a movie or music with several pairs of ears. Bluetooth 5.4 ensures a stable connection and reduced latency.
The HDMI eARC input passes television audio in uncompressed form up to 5.1 or Atmos depending on the source — without a separate box or degrading optical cable. The built-in MM phono stage was specifically calibrated by ARCAM engineers: input impedance 47 kΩ, RIAA response within ±1 dB from 20 Hz to 20 kHz. Vinyl gains in detail and body compared to generic phono preamps.
Designed and built in the ARCAM tradition from Cambridge, the A15+ represents fifty years of amplification expertise. Three RCA analog inputs, two coaxial and optical digital inputs, a headphone output across a wide impedance range (16 Ω–2 kΩ), and a signal-to-noise ratio of 106 dB on analog inputs. An amplifier built to last and to partner with a matching-quality source.
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