Sound Issue???


Registered User
Hi Guys,

Abit of a weird one. when connectingMMi through Bluetooth the sound in my A6 seems to get, louder and quieter when cranked up a little? Any one else experienced this?

I have gone through every sound setting and all the settings on my iPhone and nothing seems to change anything? Radio its fine, CD its fine??


Useful idiot
I haven’t had these issues over Bluetooth for music/podcasts on iPhone.
But I do get terrible crackling audio on phone calls with all troubleshooting failing.
iOS 13.6 beta. iPhone XS. Bluetooth version 3.70.4.RMC EU K 16152
Plenty of other German cars with similar issues on other forums.

what version is your Bluetooth in mmi?


Registered User
Hi mate,

I'm not sure to be honest would have to check?

My phone works perfect on calls, I do have to crank the volume all the way up 20+ to hear them.