Audi Rear Speaker Wiring NEED HELP

I bought a 2000 A4 Quattro 1.8t and it came with the rear speakers already taken out…I don’t have the BOSE system and I was wondering what wires I use to hook up my aftermarket speakers. The wires are red/green, blue/green, red/blue, white, brown, brown/black, blue/red. I need to know what wires to hook up.

It sounds like those wires are for the factory amplifier, which I’m assuming is missing along with the rear speakers. If so, that means those are all line-level speaker wires and will not power your aftermarket speakers.

what can I do in order to power my speakers?

I know its not the same car, but google “putting rear speakers into an s2000” and it should help you out

LR + BROWN/WHITE
LR - BLUE WHITE

RR + BROWN RED
RR - RED

buy my bose system