Planet Audio TRQ4.2400 Torque 2400-Watt Full Range Class A/B 2 to 8 Ohm Stable 4 Channel Amplifier with Remote Subwoofer Level Control 2400 W MAX Power, 4 Channel 450 W X 4 RMS @ 2 ohm 225 W X 4 RMS @ 4 ohm 900 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 Blue Illuminated Planet Audio Logo 6 Year Platinum Dealer Warranty