Features

• These adapters fit most 5 1/4" and 6 1/2" speakers into 6"x8" factory openings
• 5" Cutout Diameter (Modification may be required is your speaker requires a larger cutout)
• If you speaker has a 6 3/4" flange on a 6 1/2" speaker, it will not work with these adapters.  Alpine speakers usually have the 6 3/4" flanges.

Fits:

1998-2002 Mazda Miata