Amazon.com: Alpine Bundle Compatible with Universal Car S-W10D4 10" Subwoofer Dual 4 Ohm with S-A60M Class D Subwoofer 1200W Amplifier, and HA-AK4 Amplifier Install Kit : Electronics
Amazon.com: Kicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Amazon.com: Kicker Bundle Compatible with Universal Regular Standard Cab Truck C10 Comp Single 10" Loaded Sub Box Enclosure with Harmony HA-A400.1 Amplifier : Electronics
Amazon.com: Kicker Bundle Compatible with Universal Car C12 Comp Dual 12" Vented Port Loaded Sub Box Enclosure with Harmony HA-A800.1 Amplifier : Electronics
Amazon.com: Kicker (2) L7S8 Car Audio Solo-Baric 8 Subwoofer Square L7 Sub 44L7S82 Bundle with Harmony HA-A800.1 Amplifier & Amp Kit : Electronics
Amazon.com: Kicker 12 Inch Comp R Woofer Includes Two 48CWR122 Package with 46CXA8001 Amplifier and Wire kit : Electronics
MTX Single 12" Square Subwoofer, Amplifier, and Enclosure Package w Wiring Kit - 500 Watts RMS : Electronics
Amazon.com: Planet Audio PAB80 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Everything Else