Power output: 55 watts per channel into 8 (stereo)Frequency response: 20Hz to 20kHzTotal harmonic distortion: 0.04Damping factor: 50Input sensitivity: 0.28mV (MC), 2.8mV (MM), 25mV (line)Signal to noise ratio: 78dB (MC), 78dB (MM), 86dB (line)Speaker load impedance: 2 (minimum)Dimensions: 420 x 108 x 380mmWeight: 8.