2001 s3 bose sound system is it fully amp or rear?

[fezzers]

hi guys im trying to find an iso lead for my s3 to fit a standard stereo in but ive unfortunately had to go into my local halfords and theres 2 leads. one for fully amplified and one for rear. how do i no if its either of the two? as they want me to pay for both.

 

[Lemon S3]

IIRC the rear speakers and sub are amped, the fronts are powered by the head unit.

 

[AndyMac]

All Audi Bose systems are fully amplified, only the non Bose systems are rear amped.