Chosen Solution
We have a number of Vive Pro units in our venue and the microphones have stopped working on a number of them. HTC returns are known to be notoriously poor and slow and I am wondering if it is relatively easy to replace or repair it. I have heard this is a common issue.
That happen to me recently, main suspect is sweat since I use it for excersice, since this site has already posted a tear down video I see the mic is located, the thing will be to actually get the part