The PRO5MK2's are fun headphones. That being said, it's difficult being an audiophile and using these as my out and about cans. Perhaps because that it's a not true neutral sound, but these are are DJ headphones- so that makes sense.
The bass is wonderful. Notable bass, perhaps even rivaling the M50's, but surely not the PRO700's. This could be attributed to it's tight tight seal. I feel they may be slightly more neutral than the M50's perhaps giving you a better DJ monitor than the heavier bass of the M50's. The bass doesn't bleed into the mids too bad, but the mids arn't the sharpest or super sparkly.
They're really comfortable and the camo ones are pretty sexy. However, there is a silver ring where the c joint meets the actual headphone that I never saw in any publicity photos.
If you're looking for your first audiophile quality DJ phones, get the M50's which are a bit more expensive… but if you're looking for some smaller fun and great looking DJ cans to go out with, these are great. There's no mistaking that the M50's are better all round headphones.. But these are my going out headphones and I love it them.
If you want unique headphones, want a bassier neutral sound signature good for most genres, love Audio Technica, and don't mind importing from Japan, get these headphones- you'll be the only one in the state with them.