There's no such thing as an audio grade switch.
This butchered TP Link that is marketed as one is a bit more snake oily than most.
Snake oil of the year?
AQVOK Switch SE Audiophile High-End Network Switch Lan. I think we are going to have some fun with this one, let it rip here. https://www.youtube.com/watch?v=NMFQ3YvR3Eo
Here is the product page.