I think your brain is just used to the sound and timbre of a closeback headphones with a much bassier response than the hd560’s which is neutral give your brain a time to adjust and listen again to to hyperX then compare for sure it will sound muddy

Definitely yes was subscribing do deezer/tidal or downloading flac when I’m starting on my audiophile journey but end up using spotify anyways lul the difference is sometimes not audible or so little you know spotify is so so convenient