I use this headset for 1 month.
I did not find any default, and finally I had never dpenser 70E bones for a headphone before, but I regret my purchase.
it restores trs well all the sounds, the music, mixing amateur and even the battery electronic games on a PC running well trs.

It is much better than the HD-437

The report which price seems good, but I have a headphone essay I collect more upscale.