Radio Connectors

[gazcallyt]

Guys, just pulled the radio out to check if it is iso or quadlock, I have three seperate connectors one above the other I take it this is an iso connector ?
Also what is the single plug for in the middle of the radio at the back ?

Cheers

Gaz

 

[gazcallyt]

Surely somebody must know ??

 

[ScottD3]

What is the radio?

 

[ScottD3]

 

[gazcallyt]

It is the standard concert on a 2005 A3.

Gaz

 

[ScottD3]

Loads of pics and info here.