Amazon.com: Alpine SWA-12S4 BassLine Series 12" 4-ohm Subwoofer : Electronics
15″ BASS-line – PSI Car Audio
Alpine W10S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 10" Subwoofer with Rhino-Coated Standard Universal Single 10" Sub Box Enclosure | 110TRUCK-RL-ALP19-W10S4
ALPINE SWA-10S4 BASSLINE SERIES 10" 4-OHM SUBWOOFER 750 WATTS 10 INCH SUB NEW! | eBay
Alpine Bassline 10" Single-Voice-Coil 2-Ohm Loaded Subwoofer Enclosure with Integrated 250W Amp Black PWA-S10V - Best Buy
2 Alpine W12S4 12" Bass Subwoofer BassLine Series 12" 750W Max (250W R – absoluteusa
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Alpine SWA-12S4 - Bassline 12 Inch Subwoofer - Car subwoofers - Custom Sounds & Tint