For installation, speakers should be measured straight across their widest point. This is the maximum diameter and the minimum space needed in the speaker box to accommodate them. Repair kits should be bought with a measurement of the interior diameter of the speaker, as this is the section that needs work. read more
Measure the mounting height of the speaker. This is the distance measured from the bottom of the speaker's mounting flange to the highest point of speaker. This ensures that your new speaker won't be too high, and bump against a door panel or factory grill. read more
One interesting factor about car speaker measurement is that some online shops facilitate you with a selection process, there if you provide your car’s basic information (brand, model, etc.) the algorithm will suggest you some best match speakers for your car. read more