BOSS Audio CE200M Chaos Epic 200 Watt, Monoblock, 4 Ohm Stable Class A/B, MOSFET Car Amplifier 200 W MAX Power @ 4 Ohm x 1 Channels Class A / B Topology, MOSFET Power Supply Low and High Level Inputs, Variable Filter Dimensions: Depth 4 x Width 3.1 x Height 1.6 6 Year Platinum Online Dealer Warranty