Cambridge Azur 650A. Audio output channels: 2.0, Peak power per channel: 75 W, Total Harmonic Distortion (THD): 0.002 %. Speakers connectivity type: RCA. Input frequency: 50/60 Hz, Input voltage: 220-230 V, Power consumption (typical): 600 W. Width: 430 mm, Depth: 350 mm, Height: 120 mm