Pioneer Electronics on Twitter: "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. #
TS-W2502D2|D4 - 10" Champion Series PRO Subwoofer with 3000 Watts Max. (800 Watts Nom.) | Pioneer Electronics USA
Pioneer Champion Series TS-A301D4 1600 Watts 12 inch Dual 4 Ohm Car Subwoofer - Walmart.com
TS-W3003D4 - 12" Champion Series PRO Subwoofer with Dual 4 Ω Voice Coils and 2,000 Watts Max Power (600 Watts Nominal) | Pioneer Electronics USA
PIONEER TS-W312S4 12″ CHAMPION SERIES 1600W SUBWOOFER
Amazon.com: Pioneer TS-A301D4 Champion Series 12" 1600 W Max Power, Dual 4 Ohm Voice Coil - Component Subwoofer : Electronics
Subwoofers & Enclosures - Pioneer TS-W310D4 12" 1400w DVC Subwoofer was sold for R595.00 on 15 Jan at 19:19 by Autostyle Motorsport in Johannesburg (ID:99160838)
TS-W3003D4 - 12" Champion Series PRO Subwoofer with Dual 4 Ω Voice Coils and 2,000 Watts Max Power (600 Watts Nominal) | Pioneer Electronics USA
Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
Pioneer TS-A301D4 12" 1600W Max Dual 4-Ohm Voice Coil DVC Car Audio Subwoofer Car Subwoofers - Newegg.com