Infinity Primus 3000A 300W RMS Power Compact Mono Subwoofer Car Amplifier with 2x JBL Club 1224 12" 1100W Max Power Car Audio Subwoofer (2 or 4 Ohms) and Amplifier Wiring Kit - Road Entertainment
JBL SRX928S Dual 18" DJ / PA Powered Subwoofer 1100W With Built-in DSP + Cover
JBL Club Series 12" 1100 Watts Selectable 2 or 4 Ohm Subwoofer CLUB 1224 - Walmart.com
2x JBL Club 1224 12" 1100W Peak Car Audio Subwoofers w/ Selectable Impedance | eBay
JBL Club 1224 | 1100 Watt Selectable Impedance Subwoofer
JBL SRX918S 18" Powered Subwoofer | Full Compass Systems
JBL SRX928S 2,500-watt 2 x 18-inch Powered Subwoofer | Sweetwater
Amazon.com: JBL Club 1224 12" Car Audio Subwoofer : Electronics
Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics