Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 2 Ohm Impedance 12 subwoofer, 1800W MAX Power 12 inch Competition Subwoofer : Electronics
PIONEER TS-W302F - Vintage, Old school 12" inch Car Bass Speaker | eBay
SDR-12 | 12" 1,200 Watt Max Power Car Subwoofer | Skar Audio