Pioneer TS-W308D4 Champion Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Pioneer TS-A120S4E 12" 1400w Max Power 4-Ohm Single Voice Coil Black for sale online | eBay
Pioneer 12" 1400 W Max Power, Single 4-ohm Voice Coil, IMPP™ cone, Rubber Surround Component Subwoofer BLUE TS-A123R - Best Buy | Subwoofer, Car subwoofer, Integrated amplifier
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