Best Buy: Pioneer 12" 800W Single-Voice-Coil 4-Ohm Subwoofer Black/Blue TS-W301R
Best Buy: Pioneer 12" Single-Voice-Coil 4-Ohm Subwoofer Black TS-W306R
Pioneer TS-WX126B Single 12 inch Sealed Pre-Loaded Enclosure Subwoofer - (Single 4 ohm voice coil)
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Amazon.com: 2 X Pioneer TS-300D4 12 Inch 1400 Watts Max Power Dual 4-Ohm Voice Coil Car Audio Stereo Subwoofer Loudspeakers/Free Alphasonik Earbuds : Electronics
12 inch pioneer subwoofer and box with Phoenix gold amp for sale in San Antonio, TX - 5miles: Buy and Sell
Pioneer Subwoofer 12 Inch TS-A3004
Pioneer TSA300D4 12 inch 1500W Car Subwoofer for sale online | eBay
PIONEER TSW312D4 12-INCH 1600 WATTS MAX DUAL 4-OHM VOICE COIL CAR SUBWOOFER -NEW 884938476409 | eBay