Amplifier, Power Amplifiers, Pa Amplifiers, Professional Power Amplifer, PA Power Amplifier, Audio Amplifiers, Sound Amplifiers 8ohms Stereo Power: 1200Wx2 4ohms Stereo Power: 1800Wx2 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 45kgAmplifier, Power Amplifiers, Pa Amplifiers, Professional Power Amplifer, PA Power Amplifier, Audio Amplifiers, Sound Amplifiers