1200 W MAX Power, 4 Channel225 W X 4 RMS @ 2 ohm113 W X 4 RMS @ 4 ohm450 W X 2 RMS Bridged @ 4 ohm;Full Range Class A/B, MOSFET Power Supply;High and Low Level Inputs;Fixed High Pass Crossover, Variable Low Pass Crossover, Variable Bass Boost;6 Year Platinum Dealer Warranty