IMO, best explanation on what an audio specific switch does (or claims to do, if you are on the zeroes and ones camp) is from Uptone:
‘Truth be told, it was the very first audiophile switch, and very successful. The rest of the manufacturers, took note, and came up with their own switches, often way more expensive. Granted, these audiophile switches obviously do nothing according to the network technicians, so I wonder who buys all these expensive switches 😉