Ok there is a website for car audio, it has a huge menu at the right side. You can order the site on a CD. I can't find its URL, im hoping someone out there has it!!!! Please if you know which site im talking about, please post the url. thanks!

 

after half an hour...google finally coughed it up:

http://www.eatel.net/~amptech/elecdisc/caraudio.htm

 

Oh, you meant car audio information, not sales.

Anyways good page

 

this website is really cool, explains a lot of things.