Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
Amazon.com: Pioneer TS-WX130DA Compact Series 8" x 5-1/4" - 160 W Max Power - Compact Active Subwoofer Black : Electronics
Amazon.com: Pyle Single Outdoor Marine Audio Subwoofer - 600 Watt 12 Inch White Waterproof Bass Loud Speaker For Marine Stereo Sound System, Under Helm or Box Case Mount in Small Boat, Marine
Amazon.com: HERTZ Dieci Series DBX-303 12" (300mm) 4-Ohm Sub Enclosure, 250 wRMS : Electronics
Amazon.com: Rockville RVB12.1A 12 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box : Electronics
Amazon.com: Gravity Car Vehicle Subwoofer Audio Speaker - 12 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 3000W Power for Stereo Sound System Warzone GW12D2 (1 Subwoofer) : Electronics