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question re audio system in a MY02 c2 with Advanced Technic Package

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The Advanced Technic Package in my 02 consists of Bi-Xenon HID headlamps with washers, remote CD changer, and a 12-speaker Bose digital sound system according to google

Can I simply replace speakers with aftermarket ones in a plug and play fashion? Is the Bose amps impedance the normal 4 ohm? What are the cross over points built into the amp - if any?

i plan to replace the dash speakers with either co-axial speakers or separates if I can figure out how to ran another pair or wires to the cd changer area... And also replace the muddy woofers in the stock box with aftermarket 6" woofers. I hope to keep the stock amp if at all possible.

Any help would be appreciated - I've spend too much time reading conflicting info


PS -- Thanks Loren for all the schematics that I already horded off this site :)

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