Lanzar 4-Channel High Power MOSFET Amplifier - Slim 2000 Watt Bridgeable Mono Stereo 4 Channel Car Audio Amplifier w/ Crossover Frequency&Bass Boost Control, RCA input,Line Output - Lanzar VCT4110
Autotek Street Machine SM-3000.2D 3000 Watt Two Channel Car Audio Amplifier - High Output, Class D, 2, 4, Mono Bridged at 4 Ohm Stable, Low Level Input, Mosfet Power Supply
Cerwin Vega Mobile CV Cerwin-Vega H1000.1D 1000W Max 1Ω/2Ω/4Ω 1-ChannelClass-D Mono Digital Amplifier Remote Bass Knob Included HED Series