Can somebody ID my system please?

thehogester

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After wrestling with my concert headunit (I think the clips are knackered) i've finally got it out.

I want to order the Bose adaptor to replace the headunit, but not sure which one i need.

What i need to know is if the unit is iso or quadlock, and if its full or half bose.

Heres a few pics, hope you can help!

PhotoPhoto 1
 
A4 concert II with ISO connectors

Headunits are not BOSE, if the car has BOSE fitted you will see BOSE logos on the door speakers.

I cannot tell from the wiring you have posted as that is not factory wiring, the green/blue/yellow connector would be black so it looks like someone has added an Ipod or CD changer to it at some point.
 
Craig answered you already, you have iso connectors & you already stated you had Bose, but which head unit are you intending to fit?