Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
Hot Sale Car Audio Subwoofer 12 Inch Subwoofer For Jbl Gt5-s12 1200w - Buy Car Audio Subwoofer,Subwoofer Car,12 Inch Subwoofer Product on Alibaba.com
JBL 12"WOOFER - GT5-S12 (1200 WATT)0Car Audio Speaker Woofer 12 Inch Double Magnet Super Bass Speaker Car Heavy Bass | Shopee Malaysia
JBL Stadium 82SSI 1200W SSI Technology 8" Selectable 2 to 4 ohm Car Subwoofer 818060014062 | eBay