Hello everyone, my opinion on this product is "excellence" I use it for a long time, about 10 years, it just all just give up the ghost at a listener and even, I ask myself if it does not come from my use .... it's been 10 years that buzzing in my ears and it does not Miolles, 10 it is true to his jack, 10 years that supports cries of the 96 kHz sound card rme db arrogant and short it is with regret that I will have to find a replacement to the same .... am bleuffer the quality of this product is not .... for nothing that we perceive these headphones often in radio interviews or even "music "..... it is my view on this product that competitors are based ...... good investment at all .....