![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. #
![Unboxing and review of Pioneer Champion Pro TS-W3003D4 subwoofer.Heavy built quality made in Vietnam - YouTube Unboxing and review of Pioneer Champion Pro TS-W3003D4 subwoofer.Heavy built quality made in Vietnam - YouTube](https://i.ytimg.com/vi/POWiji2ngwg/maxresdefault.jpg)
Unboxing and review of Pioneer Champion Pro TS-W3003D4 subwoofer.Heavy built quality made in Vietnam - YouTube
![2-Pc. Pioneer TS-W312D4 12" Car Dual 4-ohm Subwoofer + QPower QBOMB 12" Dual Subwoofer Enclosure Box Bundle - Walmart.com 2-Pc. Pioneer TS-W312D4 12" Car Dual 4-ohm Subwoofer + QPower QBOMB 12" Dual Subwoofer Enclosure Box Bundle - Walmart.com](https://i5.walmartimages.com/asr/6e878aa3-247a-4afb-a3a2-7b3bbad5136a.aa2a8cb9cc391e7fee913be905716d17.jpeg)
2-Pc. Pioneer TS-W312D4 12" Car Dual 4-ohm Subwoofer + QPower QBOMB 12" Dual Subwoofer Enclosure Box Bundle - Walmart.com
Pioneer(r) PIONEER TS-W3003D4 Champion Series PRO 12" 2,000-Watt Subwoofer - PIOTSW3003D4 - Shoplet.com
![Amazon.com: 4) Pioneer 12" 2000W Champion Car Power Subwoofers 4-Ohm DVC Subs | TS-W3003D4 : Electronics Amazon.com: 4) Pioneer 12" 2000W Champion Car Power Subwoofers 4-Ohm DVC Subs | TS-W3003D4 : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/819o2w2NETL._AC_UF350,350_QL80_.jpg)
Amazon.com: 4) Pioneer 12" 2000W Champion Car Power Subwoofers 4-Ohm DVC Subs | TS-W3003D4 : Electronics
![TS-D12D4 - 12" - 2000w Max Power, Dual 4 Ohms Voice Coil, Aramid Fiber IMPP Cone, Rubber Surround - Subwoofer | Pioneer Electronics USA TS-D12D4 - 12" - 2000w Max Power, Dual 4 Ohms Voice Coil, Aramid Fiber IMPP Cone, Rubber Surround - Subwoofer | Pioneer Electronics USA](https://www.pioneerelectronics.com/ephox/StaticFiles/PUSA/Car_Electronics/Product%20Images/Speakers/Z%20Series%20Speakers/TS-Z65CH/fiber_D-series.jpg)