PERFORMANCE:RMS Power Output (Watts x Channels) 50 x 4200 x 1Peak Power Output (Watts x Channels) 325 x 2Power at 2 Ohms (Watts x Channels) 60 x 4Bridged Power (Watts x Channels) 120 x 2Minimum Impedance Bridged 4Minimum Impedance Unbridged 2Minimum Impedance 2Best Frequency Response 10-50k HzTHD at Rated RMS Power 0.08%Signal to Noise Ratio 100 dBInput Voltage 14.4vFEATURES:Amplifier Class ABLow-Pass Crossover Frequency 50-200 HzLow-Pass Slope (dB/octave) 12 dBHigh-Pass Crossover Frequency 50-200 HzHigh-Pass Slope (dB/octave) 12 dBBass Boost 6 dBBass Boost Frequency 50 HzFan Cooled NoFuse Rating 30 x 2Speaker Level Inputs NoPreamp Outputs NoWidth (inches) 16-9/16Height (inches) 2-1/2Depth (inches) 11-1/4