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Best Buy: Alpine 12" 1000W Passive Subwoofer Black SWR-12D2
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2) Alpine SWR-8D2 8" 1000w Subwoofer+Sealed Sub Enclosure Box+Mono Amplifier - Walmart.com
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1) ALPINE SWR-8D4 8" HIGH PERFORMANCE DUAL VOICE COIL 1000 WATT AUDIO SUBWOOFER | eBay
Alpine BBX-T600 600W 2Channel Class A/B Amplifier and Cerwin Vega XED1 – absoluteusa
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Alpine | 12” S-Series Shallow Subwoofer Enclosure
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Alpine SWR-12D4 Woofer, 1000 W RMS, 3000 W PMPO, 1 Pack - Walmart.com
