Bluetooth for car radio Audi Symphony 1 and much more

Bluetooth Audio Interface 8Pin Mini ISO for Audi: Chorus 2, Concert 2, Symphony 1/2, Navigation Plus 1/2, RNS-D - - - - VW: mcd, Mfd, Gamma 5

Bluetooth and iPhone/iPod/AUX Kits for Audi A4 S4 2006-2008 – GTA Car Kits

GITANK WIRELESS BLUETOOTH MUSIC INTERFACE ADAPTOR FOR IN CAR IPOD INTEGRATION

Alpine - X703D-A4 7-inch Touch Screen Navigation for Audi A4 with TomTom maps, compatible with Apple CarPlay and Android Auto

Bluetooth Hans-free and streaming in a stock A4 B5 symphony - AudiWorld Forums

Bluetooth Adapter Concert II

BOSE symphony II adding bluetooth connectivity

CHOOCL Bluetooth 5.0 aptX-HD Adapter with AMI/MDI Cable for 2010-2019 –

Features: HD 9'' 2.5D Tempered Glass Mirror auto radio player Wireless & Wired Carplay: wired or wireless Carplay in-vehicle system can closely integrate the user's iOS device and iOS experience with the dashboard system. Users who use wireless Carplay can connect to the car system via Bluetooth to realize voice-controlled navigation, make calls, send and receive messages, and listen to music.

Zcargel Android 13 Car Stereo for Audi A4 2000-2009 Compatible with Wireless Apple CarPlay Android Auto 9 Touch Screen Car Radio with Backup Camera 2+

Audi MMI models: the features, the differences and how to find your model