To Be Available Soon
* You may need Audi Aux to AMI adaptor and it is NOT included in the kit. In some cases, you need this cable to get sound from RSNAV device. You are advised to purchase it from Amazon or your local Audi dealer.
S4 Standalone: Wireless/wired CarPlay, Wireless, wired Android Auto only, Linux based, No App can be installed, SD Screens(480P)
S4 Pro: Full android system with HD Screens(720P)
S4 Ultimate: S4 Pro + 360 degree 3D bird eye view support + 4 AHD cameras