Fiber optic Box for Audi A6 Q7 Android Radio Car video player GPS Navigation

Fit for 

Audi A6 Q7

A head unit replacement interface for compatible Mercedes Benz 
vehicles:
1,Equipped with an external M.O.S.T. fiber optic amplifier 
(AUDIO GATEWAY).
2,The module allows the factory amplifier, speakers and sound quality to be retained when adding a modern aftermarket radio.
3,NOTE: Other components in the factory system, such as a CD changer, satellite radio, telephone module, DVD player, or any 
other factory component in the M.O.S.T loop, will not function after the installation.
4,Vehicles with M.O.S.T. amplifier.