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Alpine 12" Subwoofer S-series w / Dual 4-Ohm Voice Coils
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Alpine Jeep Gladiator Single 12-Inch Alpine Halo S-Series Preloaded Subwoofer Enclosure with ProLink S-SB12V (Universal; Some Adaptation May Be Required) - Free Shipping
Alpine R-Series R2-W12D2 12 Inch Dual 2-Ohm Voice Coils Subwoofer with 750W RMS
Alpine Halo R2-Series Dual 12" Voice Coil 4-Ohm Loaded Subwoofer Enclosure Black R2-SB12V - Best Buy
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Alpine Type-R SWR-12D4 12" 3000w DVC 4-Ohm Car Subwoofer + Single Sealed Sub Box | Audio Savings