Amazon.com: JBL Club WS1000 - 10” shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL P Audio Speaker, 1000 at Rs 11500 in Chennai | ID: 14662829448
JBL's Stage 1220B, a dual 12" sub enclosure
Teardown JBL GTO GT4-12 car subwoofer disassembly - YouTube
CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
JBL Series GT 100 | Sub Woofer with BOX | Croooober
1000 W Black 12MB3P JBL Subwoofer at Rs 11500 in Hyderabad | ID: 21753103291
JBL STAGE 1210 12 inch 1000W Woofer for sale online | eBay
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