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Amazon.com: Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer : Electronics
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TS-A301D4 - 12" - 1600 W Max Power, Dual 4 Ohm Voice Coil, Champion Series- Component Subwoofer | Pioneer Electronics USA
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NEW PIONEER CHAMPION SERIES SUBWOOFERS PROVIDE A PURE AND ROCK-SOLID BASS EXPERIENCE - Adam Rayner Talks Audio
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Amazon.com: PIONEER TS-W311D4 12" 1,400-Watt 4_ Champion Series Subwoofer (Dual voice coil) : Electronics
![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. # 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. #](https://pbs.twimg.com/media/FF8WpFVXsAonOcF.jpg)
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. #
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