Amazon.com: Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X : 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
Car subwoofer PowerBass 3xl 1201 D 1700 Watt 12" (30 CM) SPL Dual 1 ohm | eBay