Features Class D Technology Direct Connect Speaker Terminals Illuminated Large Gauge Power Wire Inputs PWM Mosfet Power Supply APC - Audio Protection Circuit SESI - Signal Evaluation Status indicator CHM - Collective Heat Management Specifications Total Dynamic Power output: 600 Watts 4 X 75 Watts @ 4 Ω Stereo 4 x 150 Watts @ 2 Ω Stereo 2 x 300 Watts @ 4 Ω Bridged Frequency Response: 20Hz - 20KHz Gain Level Control: 0.2-6V Input Impedance: 10K S/N Ratio: 90dB High Pass Filter: 30Hz-320Hz Low Pas