Amazon.com: Kicker Bundle Compatible with Universal Car 43VC124 12" Comp 300W Sub Box Enclosure with HA-A400.1 800W Sub Amp and HA-AK4 1800W Amp Install Kit : Electronics
Amazon.com: MTX TNP212D2 12-Inch 400-Watt RMS Dual Loaded 1200-Watt Car Subwoofer Enclosure Audio with Sub Box, Mono Block Amplifier, and 8 Gauge Amplifier Amp Complete Wiring Installation Kit : Electronics
Amazon.com: wet sounds Stealth AS-10 500 watts Active Subwoofer Enclosure with Creative Audio Panel Tool Kit : Electronics
Amazon.com: Rockville W15K9D4 15" 5000w Car Subwoofer+Vented Sub Box+Mono Amplifier+Amp Kit : Electronics