You would need something like this: https://www.amazon.com/Turtle-Beach-Advantage-Headset-Adapter/dp/B0036VO4XO

However there is no guarantee this - or another USB audio adapter - is a "compatible third-party device with Vive".

https://www.vive.com/us/support/category_howto/720428.html

I haven't found a list of those devices may be, anywhere on HTC's website or in the Vive user manual.