Amazon.com: Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub, Black : Electronics
Amazon.com: Rockville RW8CA 8" 600 Watt Low Profile Under-Seat Active Powered Car Subwoofer, Black : Electronics
Amazon.com: Rockville PA System w/ 15" Speakers+15" Subwoofers+12" Monitors+Stands and Cables : Musical Instruments
Amazon.com: Orion Subwoofer Competition RMS Power Dual Voice Coil 4" high Temp Voice Coil - Single Speaker Car Stereo Bass Woofer (HCCA102, 10 Inch - Dual 2 Ohm) : Electronics
Amazon.com: BOSS Audio Systems PC65.2C Phantom Series 6.5 Inch Component Car Door Speakers For Stereo - 500 Watts, 2 Way, 2 Tweeters, 2 Crossovers, Full Range, Use With Amplifier and Subwoofer, Bocinas Para Carro : Electronics
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: NVX VCW122v3 (VCW122 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer : Electronics
Amazon.com: Pyramid 12 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge
Amazon.com: BOSS Audio CXX124DVC 12 Inch Car Subwoofer - 1200 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: Monoprice 60-Watt Powered Subwoofer - 8 Inch With Auto-On Function, For Studio And Home Theater Black : Everything Else