BOSS AUDIO FNX2000 Onyx 2000-Watt Full Range, Class A/B 2-8 Ohm Stable 4 Channel Amplifier with Remote Subwoofer Level Control 2000 W MAX Power, 4 Channel 375 W X 4 RMS @ 2 ohm 188 W X 4 RMS @ 4 ohm 750 W X 2 RMS Bridged @ 4 ohm Full Range, Class A/B, MOSFET Power Supply High and Low Level Inputs Variable High Pass Crossover, Variable Low Pass Crossover, Variable Bass Boost Remote Subwoofer Control 6 Year Platinum Dealer Warranty