2 Channel, 4 Channel & Mono Subwoofer Amplifiers 2 Channel, 4 Channel, Multi Channel & Mono Block Subwoofer Amplifiers Click Item to View Picture and Purchase Info 2-Channel & Mono-Block Subwoofer Amps KAC-7204 Kenwood KAC-7204 Stereo/Bridgeable Power Amplifier $ 169.00 KAC-8404 Kenwood KAC-8404 4/3/2 Channel Power Amplifier $ 199.00 KAC-8104D Kenwood KAC-8104D Class D Mono Power Amplifier $ 179.00 KAC-9104D Kenwood KAC-9104D Class D Mono Power Amplifier $ 249.00 ZX300.1 Kicker ZX300.1 300 Watt A/B Class Mono Amplifier $ 199.00 ZX350.4 Kicker ZX350.4 350 Watt 2-Channel Amplifier $ 299.00 ZX400.1 Kicker ZX400.1 400 Watt D Class Mono Amplifier $ 299.00 ZX750.1 Kicker ZX750.1 750 Watt D Class Mono Amplifier $ 399.00 ZX1000.1 Kicker ZX1000.1 1000 Watt D Class Mono Amplifier $ 499.00