Pioneer 12" Dual-Voice-Coil 2-Ohm Subwoofer Black TS-W309D2 - Best Buy
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Pioneer TS-D10D2 - 10" - 1500w Max Power, Dual 2 Ohm Voice Coil, Armid Fiber IMPP cone, Rubber Surround - Subwoofer - Used Good - Creative Audio
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