JBL STADIUM82SSI, Stadium Series 8" 2 Ohm or 4 Ohm Car Subwoofer w/SSI – AVLeaderz
S2-1224 | 12" car audio subwoofers
JBL S3-1024 Series III 10" component subwoofer with impedance switching at Crutchfield
JBL® Expands Aftermarket Subwoofer Line-up with Additional Audio Solutions for Every Vehicle | Business Wire
JBL STADIUM82SSI, Stadium Series 8" 2 Ohm or 4 Ohm Car Subwoofer w/SSI – AVLeaderz
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 102SSI
JBL STADIUM102SSI at Onlinecarstereo.com
JBL Stadium 82SSI 1200W SSI Technology 8" Selectable 2 to 4 ohm Car Subwoofer | eBay
S3-1224 | 12" (300mm) high-performance car audio subwoofer
S2-1224 | 12" car audio subwoofers
1 Pair (QTY 2) of JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Car Audio Subwoofers with SSI (Selectable Smart Impedance) - Road Entertainment
JBL 8” 1200 Watt Peak Power Audio Subwoofer w/SSI (Selectable Smart Impedance) - Road Entertainment
JBL S2-1224SS Series II 12 Inch Subwoofer & Slipstream Ported Enclosure with SSi Selectable Impedance - 2 or 4 Ohm - Open Box - Creative Audio
JBL STADIUM122SSI 12” 1500 Watt Peak Power Car Audio Subwoofer with SSI | eBay