Three point very important.
1 Check if its controled by Maybach protocal .with this protocal can easy and perfect match orignal audio system .keep 100% sounds .
2 Check if the ambient light move synchronously with car factory ambient light . it includs the speed of color-change , and light intensity.
3 Installation must be plug and play . never do any harm to your lovely car
Ofcause one more things we can not miss : How the sound effect ,take a CD and play some music, record it and compare with the car without it .
Just share some information here , and hope more friend join here and share together more about this product .thanks
