Amazon.com: DS18 GEN-XX12.4DHE 12" High Excursion Car Subwoofer 1000 Watts Max Dual Voice Coil 4+4 Ohms (1 Speaker) : Everything Else
Amazon.com: DS18 MD12 Car Subwoofer Audio Speaker - 12" in. Polypropylene Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 1000W MAX Power and Rubber Edge for Vehicle Stereo Sound System :
DS18 12" 1600 Watts Single 4 Ohm Shallow Subwoofer Pro Car Audio IXS12.4S - Walmart.com
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
2) DS18 SLC 12S 12" Car Subwoofer 12in 1000W Max 4 Ohm SVC 12nch Sub (2 Speaker) | eBay
Amazon.com: DS18 GEN-X104D Subwoofer in Black - 4 Layer Black Aluminum Voice Coil, 10", 800W Max Power, 400W RMS, Dual 4 Ohms, DVC - Powerful Car Audio Bass Speaker (1 Speaker) : Everything Else
DS18 ELITE Z12 12" Subwoofer 1600 Watt Dual 4 Ohm Pro Bass Car Audio Sub Woofer 663593058751 | eBay
DS18 GENX124D 12 inch 450W Car Subwoofer for sale online | eBay