Xbox One S Headset Audio Completely Broken

Hi, rant incoming...

I am unable to use headsets while gaming as none of them work on any of my four controllers. The headsets work everywhere else, they are a variety of brands, they ONLY don't work on my Xbox. They even work on my partner's PS4 controllers.

I have THREE Design Labs controllers - one of which I had to send off to be replaced as it stopped working so quickly, the other I bought for my partner for his birthday and he too has noticed issues with the bumpers on his, the third has just completely stopped working. The process for getting these fixed and replaced is annoying and long, and the controllers aren't exactly cheap - I'm yet to even raise a case for his controller as I'm dreading going through the same process I did with mine. I don't think I can even raise a case for the third as it's probably out of warranty by now. It still begs the question: why have all of my Design Labs controllers broken when they're among the most expensive to purchase?

Back to the main issue: the headset audio. this has been a problem for about a year now, I tried to contact Microsoft about this last year but customer support seems to be incredibly elusive considering how much we spend on games/subscriptions/consoles. I ended up speaking to a "gamer" who took me through many steps such as updating all my controllers (not the issue), and even FACTORY RESETTING MY XBOX (also not the issue) among other methods that did not work. This was all incredibly frustrating and I wasn't even passed on to anyone else to resolve the issue?

I've been managing by playing the sound through the TV, but it has become more and more annoying to play online with my friends, especially during lockdown. I don't have a mic to communicate with as it isn't working, and I play sat next to my partner who has to half wear a headset and also mute his mic to prevent echo for our friends. I've seen somewhere else that getting an adapter could potentially work, but I'm not going to spend money and risk wasting it for a workaround that may not even work, for a problem that isn't my fault that I've already contacted Microsoft to try and resolve.

Can anyone please advise? I've been on Xbox since I can remember, but this issue and how it was handled has genuinely made me reconsider which next gen console I'll be getting.

Thanks in advance.

:)