Pioneer 12"inch Subwoofer (Champion Series) for Sale in Santee, CA - OfferUp
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 PRO 10" Dual-Voice-Coil 4-Ohm Subwoofer TS-W2502D4
Pioneer TS-W310D4 Woofer, 400 W RMS, 1400 W PMPO - Walmart.com