Pioneer TS-A301S4 Subwoofer 12 Inch Single Voice Coil 4 Ohm 500W RMS/1600W Max 884938496056 | eBay
TS-M650PRO - 6½" - 550w Max Power, Blended Pulp Cone - PRO Series Mid-Bass Driver | Pioneer Electronics USA
GXT-3730B-SET - Car Subwoofers | Pioneer
Pioneer TS-A301D4 at Onlinecarstereo.com
Pioneer TS-WX3000T | Subwoofers, Tube Series, Champion Series Subwoofer, Champion Series Red Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
Carrozzeria TS-WX99A [Full-fledged Powered Subwoofer Top That Achieves Deep Bass And Excellent Practicality '04 Model | Built in AMP Sub Woofer Speakers | Croooober
Pioneer TS-A300D4 12" 500W RMS Dual 4-Ohm A Series Subwoofer