Beyerdynamic DTX-501 vs. AKG K518:
AKG K518: got ample amount of bass, pretty mids and a bit rolled off highs. Nice sub bass.
DTX501P: I got the impression of cleaner sound, better mids, brighter highs, less midbass and little rolled of sub bass. May work better for acoustic/classic music than K518, but still has enough thump for edm music. Despite brighter highs, not fatiguing. Just right.
DTX501P is much more comfortable.
This is my "first impressions" when...