Vanatoo transparent zeros, you can use optical input if your motherboard has optical out (mine did and I didn’t select for it intentionally) cleanest audio ever and you can tell the difference in HD audio compared to mp3/Spotify
They have other speakers but these are the best for Desktop use. They also support USB for audio! https://vanatoo.com/shop/speakers/transparent-zero-plus/
https://vanatoo.com/shop/speakers/transparent-zero-plus/