GT5-12 | Quality 12 inch Single Voice Coil (SVC) Subwoofer
S3-1224 | 12" (300mm) high-performance car audio subwoofer
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
W12GTI II | 12 inch Differential Drive Design Subwoofer
JBL STAGE 1210 12 inch 1000W Woofer for sale online | eBay
JBL Grand Touring Series GTO1204D 12" subwoofer with dual 4-ohm voice coils at Crutchfield