8ohms Stereo Power: 800Wx2 4ohms Stereo Power: 1200Wx2 Frequency Response: 20Hz-20KHz, -3dB@ 100KHz THD+N <0. 03% Hum and Noise: -103dB Slew Rate 40V/s Damping Factor 400: 1 Input Sensitivit 0. 775V, IV, 1. 4V Protect Limit, DC, short circuit, over heat, over load, softstart Cooling Two fans, from rear to front Packing Dimensions 660MMx590MMx230MM Gross Weight 38kg