@alyx i have a pair of low end sennheisers which have the big jack and have tested them with a behringer u-he (that only does ~90k though; which is fine since i use it primarily for a mono mic) and i don't remember it sounding like, a million times better than just plugging it in to the pc directly

@icedquinn
It won't. It literally can't. Human hearing doesn't go over 21-22khz. To perfectly reproduce any sound at any frequency you need a sampling rate double that frequency. So to perfectly reproduce everything a human could ever hear, you're perfectly fine with 44.1khz sampling rate. A 92khz sampling rate would be able to reproduce sounds at 48khz frequency. But there's nothing even close to that range that humans can hear, even IF you actually had music instruments that went that high.
Basically any music flac file at 192hkz will have a whole lot of nothing above the 44 khz mark.