Marantz PM-KI. Audio output channels: 2.0, Total Harmonic Distortion (THD): 0.0002 %, Signal-to-Noise Ratio (SNR): 106 dB. Speakers connectivity type: RCA. Power consumption (typical): 200 W, Power consumption (standby): 0.3 W. Width: 440 mm, Depth: 379 mm, Height: 129 mm