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Pioneer TS-W258D4 Champion Series 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Pioneer 12"inch Subwoofer (Champion Series) for Sale in Santee, CA - OfferUp
Pioneer TS-W261S4_MDFS10 (tsw261s4_mdfs10) 1200W 10" Champion
2) Pioneer TS-W3003D4 4000 Watt 12" Car Subwoofers+Dual Vented Sub Enclosure Box | Audio Savings
