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Pioneer TS-W3002D4 Champion Series 12" 3500W PRO DVC Subwoofer 4+4 Ohm
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Best Buy: Pioneer Champion Series PRO 10" Dual-Voice-Coil 4-Ohm Subwoofer TS-W2502D4
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Pioneer Electronics on X: "The Champion Series Subwoofers feature an enclosed basket structure that is designed to support the steel basket by reducing the spread of vibration that causes bass loss frequency. #
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Pioneer TS-A301S4 12" 4-ohm component subwoofer – Installations Unlimited
TS-W261D4 - 10" Champion Series Subwoofer with Dual 4 Ohm Voice Coil | Pioneer Electronics USA
2) PIONEER TS-A301D4 12" 1000W RMS C-SERIES DUAL VC 4-OHM CAR AUDIO SUBWOOFERS – LifeAfterBass
Pioneer Champion TS-A301D4 Dual 12 Inch 3200W Sealed Car Subwoofer Box Package | eBay
Champion Series Subwoofers | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
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Pioneer TS-A301S4 at Onlinecarstereo.com
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Pioneer TS-A301D4 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Pioneer TS-W3004D4 | Car Entertainment, Featured, Subwoofers, Champion Series Subwoofer, Champion Series Pro | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
Best Buy: Pioneer Champion Series 12" Single-Voice-Coil 4-Ohm Subwoofer Black TSW310S4
