Amazon.com: DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo
Amazon.com: Alpine PWE-S8 Compact Powered 8" Subwoofer System
Amazon.com: DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo
Amazon.com: DS18 SLC10S Car Subwoofer Audio Speaker - 10" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 440W MAX Power and Foam Surround for Vehicle Stereo
Amazon.com: Alpine PWE-S8 Compact Powered 8" Subwoofer System
Amazon.com: BOSS Audio Systems SLIM10 Elite Series 10 Inch Powered Car Subwoofer - Low Profile, Remote Subwoofer Control, Built in Amp, Under Seat : Electronics
Amazon.com: Two Single Pioneer TS-D10LS2 D Series 10" 2 Ohm Shallow Mount Subwoofers : Electronics
Amazon.com: PLINIUS Slim subwoofer underseat with amp Active Powered Car- 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Built in Amplifier, for Truck, Boxes and Enclosures : Electronics
Amazon.com: Sound Storm Laboratories SS10 10 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub, Black : Electronics
Amazon.com: DS18 IXS10.4S Shallow Car Subwoofer - 10" 1000W MAX Power, 500W RMS, Single Voice Coil, 4 Ohms Impedance (1 Speaker) : Electronics
Amazon.com: Lanzar MAXP154D Max Pro 15 inch 4Ohm 2000W Small Enclosure Dual Subwoofer : Electronics
Amazon.com: Toro Tech – Force 12, 12 Inch 1500 Watts RMS – 3000 Watts MAX – Dual 4 Ohm 3 Inch Voice Coil, 12” Car Audio Subwoofer for Cars, Trucks, Jeeps, Boats,
Amazon.com: Rockville USS8 8" 600w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub, Black : Electronics
Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else
Amazon.com: Cerwin-Vega Mobile CV BKX7212V2 12" Complete Powered Dual Vented Subwoofer Enclosure w/Amplifier, Black : Electronics
Amazon.com: RECOIL SL1708 8" Under-Seat Slim Amplified Car Subwoofer with 99.99% Oxygen Free Copper Installation Wiring Kits : Electronics
Amazon.com: Rockville W10K9D4 10" 3200 Watt Car Audio Subwoofer + Vented Sub Box Enclosure : Electronics