- Belsee Aftermarket 1997-2004 Audi A6 S6 RS6 Radio Replacement Car Stereo Upgrade DVD CD Player Wireless Apple CarPlay Android 12 Auto Head Unit GPS Navigation System Audio Video Multimedia Player 7 inch Touch Screen Sat Nav Bluetooth Wifi 4G Ram 8GB$379.99• SKU: OA6. Built-in Android 12 system special autoradio for 1997-2004 Audi A6 S6 RS6 • 8768T Octa-core Arm-Cortex A53 2.3GHz+1.8GHZ, Ram... Learn More