I use it for almost 2 months so I have 100 hours of Exceeds cost since I costs on average 1:30 per day and this headphone is really terrible! Deja j'tais trs impressed with the quality sony (I only use AC in general) I found that my headphones were excellent but the magic is WOW, the quality of his means all, are low as I like it Submitted being protected many collection outdoor noise (I use it as protection and "return" at RPTES knowing that with my group I play with a drummer strikes a heavy), this headphone is not a headache it is finally too much after a few hours ears "hot" some trs but bearable and what I 'loves the most is probably his FLEXIBILITY, it does not take place, he loses his temper throughout easely clear is gnial. I bought it for 78euros including shipping, the report qualitprix is ​​for me I can not beat the board!