Pioneer 12”'subwoofer champion series was used work great with 12” box and 1200 watt amplifier Great package. for Sale in Fremont, CA - OfferUp
PIONEER CHAMPION SERIES TS-A301S4 1600 WATTS 12" SINGLE 4 OHM CAR SUBWOOFER SUB 884938496056 | eBay
TS-W2502D2|D4 - 10" Champion Series PRO Subwoofer with 3000 Watts Max. (800 Watts Nom.) | Pioneer Electronics USA
Pioneer TS-W312D4 | Car Entertainment, Subwoofers, Champion Series Subwoofer, Champion Series Red Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
Pioneer TS-A301S4 | 500W RMS 12" Champion Series Subwoofer