DSP amp problems

I’m certain my DSP AMP is faulty. It’s as clean as can be but not showing on screen. Looking for a replacement part no XQK000030. (Or bmw part no 6512-6905119)

2003 VOGUE TD6

(ps. What connects to the mini coax on this amp?)

Welcome.

This is the intro section where you erm introduce yourself, if you stick your post in the Range Rover section you will may get some proper help https://www.landyzone.co.uk/forum/range-rover.10/
but remember please and thank you's yield better results

And pic's of your car help as well cos we likes pic's

BTW lot's on fleabay

Hello and welcome

Welcome.

Welcome to the forum