Dual XPR540 1200W 4-Channel Class A/B Car Audio Power Amplifier

Genuine DUAL XPR82D 600 Watt Max Power Digital 2 Channel Mosfet Amplifier

Dual Electronics XPR82D 2 Channel 600w Class D Car Amplifier

Crunch 1000W 4-Channel Amplifier PX1025.1

Dual XPR540 1200W 4-Channel Class A/B Car Audio Power Amplifier

Pioneer GMA6704 1000W 4 Channel Bridgeable Class AB Car Amplifier

Pioneer GM-D1004 4-Channel Class FD Car Amplifier, 400W

Jensen XDA94RB 4 Channel MOSFET 1000 Watt Amplifier - Black