For Odin 4 Inch Mid-woofer Speaker Bullet High-end Mid Bass Fever-grade Large Magnet 6ohm 30w - Speakers - AliExpress
MW 162 - Dynaudio 6.5" Mid/Woofer
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 Coating Cone-PDMR5 Black :
Pyle 6.5 Inch Mid Bass Woofer Speaker, 300 Watt Peak Power W/ 4 Ohm Impedance And 60-20khz Frequency Response For Car Component Stereo Plg64 : Target