I have just bought a new A6, and I managed to have them fit what I thought were the Audi rear parking sensors, however I can't get them to be visualised so I dug around the back to find this:



1=speaker
2=wires which go directly to the sensors from the ONE speaker

Which to me doesn't looks like an official Audi one - which is what I paid for. Can anyone help me on this?

 

So I dug around a bit more and found this:



In anyone's experience has this got any chance to be linked to the visualisation? It says Cobra on it and from what I gather the Cobras are the more common Audi-installed retrofit...