Output Power RMS / MaxFront/Rear channels @ 4 Ohms in "HighPower" mode:4 x 60 Watt RMS / 120 Watt MaxFront/Rear channels @ 4 Ohms in "MidPower" mode:4 x 35 Watt RMS / 70 Watt MaxSubwoofer output @ 4 Ohms 1 x 90 Watt RMS / 180 Watt MaxSubwoofer output @ 2 Ohms 1 x 160 Watt RMS / 320 Watt MAXFrequency range 20 Hz - 20,000 HzNumber of input channels: 4 x Highlevel,1 x Optical SPDIF (6-96 kHz), 1 x Remote InDSP resolution 56 BitDSP processing power 172 MHzTotal harmonic distortion (THD) < 0.03 %Signal-to-noise ratio > 99 dB (A-weighted)Damping factor > 50Input impedance 13 OhmsInput sensitivity 11.2 VoltsMax. remote output current 500 mAUndervoltage detection 10.5 Volt (max. 5 sec. down to 6 Volts)Dimensions (H x W x D) 35 x 85 x 110 mm