Planet AudioAC2000.2 2 Channel Car Amplifier - 2000 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

Planet Audio AC2000.2 2 Channel Car Amplifier - 2000 High Output, High/Low Level Inputs, High/Low Pass Crossover, Hook Up to Subwoofer for Bass

BOSS Audio Systems KIT10 4 Gauge Amplifier Installation Wiring Kit - A Car Helps You Make Connections and Brings Power to Your Radio, Subwoofers Speakers