I use these headphones every day since late May 2008. I bring the end of October because the left earpiece was not working (over used), my dealer swapped me while I did not have my receipt (one for the Hall of Music at Lorient).
The level I am quite satisfied, even if the bass is feeling well, they are clear (the sound is not rough). I listen to music and I also made the computer music, which suits me perfectly >>>>>>>>>>> 10/10
I arrived at a crucial point in buying a headphone: comfort. That's the big disappointment. I wear glasses and headphone makes me suffer at the branches thereof. Comfort on my head is zero.
I tried other headphones but after buying and I know more than what model it is.

Once again I can not finish my review but ...