I am an audio artist and DJ. These headphones may have been damaged out of the box, because they were one of the worst sounding headphones I have ever experienced. They were distorted and seemed to never tune-in properly. They were tinny and had no low end at all which is a must, as I purchased these phones for DJ announcing. I have owned other Sennheiser studio headphones and they were great.With the very strong possibility these headphones were not damaged, I didn't even bother to try another pair, because I was already convinced of their inferiority.