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JBL JRX218S 18 inch Passive Subwoofer | Sweetwater
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JBL SUB160 160 Watt Powered Subwoofer Excellent Deep Bass!! | eBay
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JBL EON718S 1500W 18" Powered Subwoofer JBL-EON718S-NA B&H Photo
S3-1224 | 12" (300mm) high-performance car audio subwoofer
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JBL 4645 Professional Series 18" Subwoofer - Perfect for JBL 4343 Spea
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MS-12SD4 | 1800-watt, 12" 4-ohm dual-voice-coil subwoofer
MS-12SD4 | 1800-watt, 12" 4-ohm dual-voice-coil subwoofer
Best Buy: JBL CX Series 12" Single-Voice-Coil 4-Ohm Subwoofer Black CX1200
