Sound Storm PSY1600.4 1600 Watt Full Range, Class A/B, 2 to 8 Ohm Stable, 4 Channel Amplifier, Remote Subwoofer Control 1600 W MAX Power, 4 Channel300 W X 4 RMS @ 2 ohm150 W X 4 RMS @ 4 ohm600 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