High-output, 4-channel, full range class A/B amplifier. Weatherproof. Up to 188 W X 4 RMS @ 2 ohm. Up to 94 W X 4 RMS @ 4 ohm. Up to 375 W X 2 RMS Bridged @ 4 ohm. MOSFET power supply. High and low level inputs. Fixed high pass crossover, variable low pass crossover. Variable bass boost with remote control.