S3-1224 | 12" (300mm) high-performance car audio subwoofer
S2-1224 | 12" car audio subwoofers
S2-1024 | 10" car audio subwoofers
S3-1224 | 12" (300mm) high-performance car audio subwoofer
Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL Stadium 122SSI - JBL APAC NC
NEW JBL JBLCLUBWS1200BLK Club Series 12" Sub SSi Selectable Impedance 2 or 4 Ohm | 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
JBL S2-1024SS 1000 Watts Peak 10" SSI Subwoofer Enclosure with Slipstream Port 50036326759 | eBay
S2-1224 | 12" car audio subwoofers
Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics
JBL Stadium 82 SSI 8" Selectable 2- or 4-ohm Component Sub | eBay