Amazon.com: 5 CORE 15 inch Subwoofer Replacement PRO DJ Speaker Sub Woofer Loudspeaker Wide Full Range Loud Aluminum Frame 2200W PMPO, 90oz 185mm Magnet, y-30 Grade Powerful Magnet : Electronics
Amazon.com: 5Core 8" Inch Subwoofer Replacement DJ Speaker Car Loudspeaker 100W 4 Ohm WF 8110G : Electronics
Amazon.com: Pyle 5'' 200W 8 Ohms Mid Bass Mid Range Car Speaker Woofer Driver w/ 450Hz to 7kHz Frequency Response, 92dB Sensitivity, & Magnet Structure, (2 Pack) : Electronics
Amazon.com: Pyle 5 Inch Woofer Driver - Upgraded 200 Watt Peak High Performance Mid-Bass Mid-Range Car Speaker 450Hz - 7kHz Frequency Response 15 Oz Magnet Structure 8 Ohm w/ 92dB and Paper
Amazon.com: Dayton Audio PA310-8 12" Pro Woofer : Electronics
Amazon.com: PRV AUDIO 6MB200 v2 6.5 Inch Speakers Midbass Woofer 8 Ohm, 100 Watts RMS, 200 Watts Program Power, 93.5 dB 1.5 in Voice Coil for Small Custom Enclosures Pro Car Audio System (Single) : Musical Instruments
Amazon.com: Dayton Audio PA200-8 8" Pro Woofer Speaker : Electronics
Amazon.com: PYLE-PRO 6.5 Inch Car Midbass Woofer - 250 Watt High Powered Car Audio Sound Component Speaker System w/High-Temperature Aluminum Voice Coil, 70Hz-9kHz Frequency, 92 dB, 8 Ohm, 25 oz Magnet PDMW6 :