I think he was just throwing in search keywords.

Re: 4 apine speakers, intrax springs and GMK cai heres a link to the speakers and they were only used for 1 month Alpine Type-R SPR-57LP 2-way car speakers For 5"x7" and 6"x8" openings at Crutchfield.com

probably the easiest way to do it is if you can run it all through a computer, and chop it up and send it where ever from there. if you can find a way to conect all monitors to the computer. but if you want to go the original way its goin to cost $$$ (maybe more than your car is worth) video...