2 X JBL Club WS1000 800W 10" Club Series 2 or 4-Ohm Shallow-Mount Car Subwoofers | eBay
JBL Car Subwoofers | Mercari
JBL MS-10SD4 Slim Subwoofer at Car Audio & Security - YouTube
JBL Stage 1210 Subwoofer | 12" (300mm) woofer with 250 RMS and 1000W peak power handling.
Amazon.com: JBL Club WS1000 10" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics