“Audio system” is the T2. The speakers have their own amplifiers though.
On all of mine, I had the popping on speakers/3.5mm/USB/BT. One of them had topcase replacement and there was no change.
yes, just meant the speakers and amplifiers. the two geniuses i spoke to seemed to have no idea about this audio issue, despite being well known (even beyond macrumors). was the possibility of having the logic board replaced an option? two of my friends with macbook pro 2018s do not have this problem, so i would disagree that it affects every board. i've got the Vega 20, so maybe it only affects those boards (i don't recall if this has already been mentioned).