Sound Storm EV4.1600 Evolution 1600 Watt, 4 Channel, 2 to 8 Ohm Stable Class A/B, Full Range, Bridgeable, MOSFET Car Amplifier with Remote Subwoofer Control 400 W MAX Power @ 2 Ohm x 4 Channels 200 W MAX Power @ 4 Ohm x 4 Channels 800 W MAX Bridged Power @ 4 Ohm x 2 Channels Full-Range, Class A / B Topology, MOSFET Power Supply Low and High Level Inputs, Variable Low Pass Crossover, Variable High Pass Crossover Variable Bass Boost, Variable Input Gain Control, Input Sensitivity Selector, Remote Subwoofer Control Dimensions: Depth 13.5 x Width 10 x Height 2.3 6 Year Platinum Online Dealer Warranty