iPhone 11 Pro no sound with dock connector
So is had an iPhone XS that I used to connect to an external receiver for workout. This was working fine till few weeks back. My son’s iPhone same as mine connects fine. I try to find out if some configuration is not allowing the sound to go through the lighting USB cable but I could not find anything. I even reset the iPhone and nothing. Well I just update my cell to an iPhone 11 Pro brand new and it does not work either. So I am guessing it inherit some sort of configuration problem. Any thoughts ?