HD-668 B : Great sound for great price

I bought these in 2011, after trying out the ones that my friend bought.

The sound quality is good. It's neutral, with only a slight overemphasis on the high freq. range. It gets better with a decent headphone amp, these headphones are not on their best with basic laptop sound cards (still better than any phones from this price range I have tried out). Bass response is very accurate. Overall, the sound is very clear, instruments can be distinguished from a mix. I use these with a pair of studio monitor speakers to mix recordings at home and I'm very happy.

The comfort is good enough, nothing to complain, but these don't really feel premium. Never tried out longer than three hours, during that period I felt no squeeze.

The quality is not that great. Cheap plastic is all over these headphones, fake leather, ugly seams etc. They came with two cables, both broke up after a year of usage. But with replaceable cables it's not a big deal. If handled with care, these headphones will serve you for a long time.

PS. I also use these while gaming :-)