I compared the different sound qualities on Qobuz's Webplayer, which doesn't have the output device options as the desktop app does, so idk about Wasapi Exclusive mode. Though i switched between MP3 320kbps, CD and High Res quality a lot and i simply couldn't hear a noticeable difference, and that's normal. When you read up stuff online on this topic, the vast majority of people won't be able to tell a difference. After that i just compared 320kbps Qobuz/Spotify and after having disabled the "normalize volume" setting on spotify it was pretty much the same on both platforms. I'm talking about casual listeners here. If you're in a studio environment, mixing/mastering, using the most high-end quality equipment etc. ofc you will hear a difference and it will be worth it. I didn't though, so i personally won't bother with Qobuz anymore and just stick to Spotify.