JBL Club Series 12" 1100 Watts Selectable 2 or 4 Ohm Subwoofer CLUB 1224 - Walmart.com
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JBL Club WS1000 10-in Shallow-Mount Subwoofer for Cars, Black - Walmart.com
Amazon.com: JBL Club 1224 12" Car Audio Subwoofer : Electronics
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Car Subwoofers | JBL
Amazon.com: JBL Club 1224 - 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics