BOSE system connectors to aftermarked radio

OleBen

New Member
Hello,

In my A2 that I bought a few month ago, there is a BOSE system and a Kenwood radio.
But the previous owner had only hooked it up with power but not connected it to the BOSE system, so no sound.

So I removed the unit today, and found these connectors. The ISO connectors are the standard type, but I'm curious to what the SMB connector is for. The radio is a DAB unit, and the DAB antenna connector normally is the same on the ones I have mounted before. But, it looks to go into the OEM wiring harness, and I'm not so sure that AUDI added DAB antenna in it in 2001.

Does it have some other purpose?

50637
 
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