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Pioneer TSW312D4 Champion Series 12" 1500 Watt – Green Bee Solutions
Pioneer TS-A301S4 | 500W RMS 12" Champion Series Subwoofer
PIONEER CHAMPION SERIES TS-A301S4 1600 WATTS 12" SINGLE 4 OHM CAR SUBWOOFER SUB 884938496056 | eBay
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Pioneer Champion Series 12" Dual-Voice-Coil 4-Ohm Subwoofer Black TSW311D4 - Best Buy
Pioneer TS-A301S4 Champion Series TS-A301S4 12-Inch 1,600-Watt-Max Single-Voice-Coil 4-Ohm Component Subwoofer - Walmart.com
TS-W3003D4 - Pioneer 12" 600W RMS Dual 4-Ohm Champion Series Subwoofer
