Amazon.com: Gladen Sqx 10 25 Cm Subwoofer : Electronics
12 Inch Car Midbass Woofer - 700 Watt High Powered Car Audio Sound Component Speaker System w/High-Temperature Kapton Voice Coil, 35Hz-4kHz Frequency, 90 dB, 8 Ohm, 60 oz Magnet - PylePro PPA12 Black
Amazon.com: Focal Sub P 25 FS 10" Shallow 4-ohm Component Subwoofer : Electronics
Dayton Audio DC160-8 6-1/2" Classic Woofer
Amazon.com: CT Sounds MESO-8-D2 1600 Watts Max 8 Inch Car Subwoofer Dual 2 Ohm : Everything Else
Amazon.com: Visaton WS25 E 10" Paper Cone Woofer 8 Ohm : Musical Instruments
Amazon.com: Visaton Full-Range Speaker 8 cm (3.3'') 8 Ohm 15W 100-V System : Electronics
Amazon.com: JBL Professional Control 25-1L-WHCompact 8-Ohm Indoor/Outdoor Background/Foreground Speaker, White, Sold as Pair : Everything Else
Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64
Amazon.com: KICKER CVTDF 10" (25cm) Subwoofer in Down Firing Encl, 2-Ohm; RoHS Compliant : 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