Alpine BassLine Series 12 Inch 750 Watt 4-Ohm Car Audio
Alpine S-W12D4 12" Type S Car Audio Subwoofer with Rearfire Sealed Uni – absoluteusa
Alpine - SBG-1244BP Ready to use Band Pass Subwoofer (4Ohm)
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Alpine S-W12D2 S-Series 12" subwoofer with dual 2-ohm voice coils - Breakers Stereo and Performance
Alpine Halo S-Series 12" Single 2 Ohm Preloaded Subwoofer Enclosure Black S-SB12V - Best Buy
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Alpine S-W12D4 S-Series 12" subwoofer with dual 4-ohm voice coils - Breakers Stereo and Performance
ALPINE SWE-12S4 TYPE-E 12" 750 WATT 4-OHM CAR AUDIO SUBWOOFER 12 INCH SUB Two | eBay
Alpine SWA-12S4 - Bassline 12 Inch Subwoofer - Car subwoofers - Custom Sounds & Tint