Amazon.com: KICKER 43CXA18001 Universal Vehicle Class D 1800-Watt Car Audio Subwoofer Amplifier and 45L7R152 L7R Square 15" Sub Dual 2 Ohm Subwoofer L7R15 : Electronics
Amazon.com: Kicker (2) 45L7R122 Car Audio L7R Square 12" Sub 1200W Subwoofer L7R12 Bundle with Harmony HA-A1500.1 Amplifier & Amp Kit : Electronics
Amazon.com: KICKER Bundle Compatible with Universal Vehicle 46L7T122 Shallow Mount 12" Square L7 Sub with 112SQV 12" Vented Square Sub Box Enclosure : Electronics