2 12 Inch Pioneer Subwoofer for Sale in Fairfield, CA - OfferUp
Pioneer TS-W309S4 Champion Series 12" 4-ohm subwoofer at Crutchfield
PIONEER TS-W311S4 CHAMPION SERIES 12" 4-OHM SUBWOOFER 1,400 WATT (400 W RMS) NEW | eBay
Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer - Walmart.com
Pioneer Electronics on X: "The Champion Series Subwoofers feature an enclosed basket structure that is designed to support the steel basket by reducing the spread of vibration that causes bass loss frequency. #
Pioneer TS-W2502D4 10" Champion Series Pro Subwoofer With 3000 Watts Max Power - Dual 4 ohm
Pioneer TS-A301D4 at Onlinecarstereo.com
Pioneer Champion Subwoofer TS-W309D4 3D model - TurboSquid 1727568