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PIONEER TS-W311S4 CHAMPION SERIES 12" 4-OHM SUBWOOFER 1,400 WATT (400 W RMS) NEW 842372101424 | eBay
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PIONEER TS-W311S4 Champion Series 12" 1,400-Watt Subwoofer (Single Voice Coil) : Amazon.in: Electronics
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PIONEER TS-W311 30cm 4Ω Multi-use Single Voice Coil subwoofer (1000W), Audio, Soundbars, Speakers & Amplifiers on Carousell
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