Amazon.com: Pioneer TS-A300D4 12 Inch 1500 Watts Max Power Dual 4-Ohm Voice Coil A Series Car Audio Stereo Subwoofer Loudspeakers / Free Alphasonik Earbuds : Electronics
Pioneer 12" Shallow-Mount Subwoofer TS-A3000LS4
Pioneer A-Series Shallow-Mount Pre-Loaded Enclosure (12-Inch Subwoofer) in the Mobile Audio department at Lowes.com
Pioneer PRO Series 12" 1,500-Watt Subwoofer in the Mobile Audio department at Lowes.com
Subwoofer Videos. 2 12 inch pioneer TS-W304R subwoofers - YouTube