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2x JBL Club WS1000 - 10? Shallow Mount 800 Watt Car Audio Subwoofer | 1 PAIR 637740962680 | eBay
JBL GTO1014 10" Single 4 ohm GTO Series 1400W Car Subwoofer
Amazon.com: JBL Club WS1000 - 10” shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL Control SB2210-WH Dual 10" Compact Subwoofer White