McLaren Audio MLA41200 4-Channel 1200-Watts Amplifier Power Max (2 Ohms) 300 Watts X 4 Power RMS (4 Ohms) 120 Watts X 4 Bridged Power (4 Ohms) 600 Watts X 2 S/N Ratio 103 dB Low Pass Crossover (variable) 35 Hz 160 Hz High Pass Crossover 200 Hz Bass Boost (variable): 0 +/- 18 dB Tri-Mode Operation Yes Inputs Line Level & Speaker Level Remote Subwoofer Control Yes Frequency Response 20Hz 20KHz THD (at RMS output) 0.01% Channel Separation 90 dB Damping Factor: 125+ Fuse Values: 20A X 2 Dimensions 15.06 L X 11.8 W X 2.2H