One of the latest own developments  is the ​​​​​​​Sound Upgrade kit Bosch head units.

The idea to bring excellent audio enjoyment into the car is only turned into reality when the ultimate listening experience can be granted to everyone.
The ​​​​​​​Sound Upgrade kit provides maximum sound improvement of the original audio system with minimal installation effort. 
The huge advantage: The vehicle remains as it is. 
Everything will be installed without trace and be removed quickly - an essential aspect especially for leasing cars. MATCH Plug & Play components are the perfect solution for sound at its best from the OEM radio.
The sound difference to the original system will be overwhelming !

Infotainment and OE compatible add on solutions