I took them to work today to discuss the issue with a colleague who is a musician. We tested them against his Sennheiser HD 380 with some Apple laptop and my phone as sources, instead of my desktop.   Shortly after, we were both quite convinced that a) some of my MP3s are not as good as I had...

  Were you having similar issues, or was it some very blatant problem, such as bands missing or a channel being lower than the other? Edit: Just realized that you said "due to a faulty driver", so I understand that the problem was on one side.     I am driving them with the on-board...

After reading many positive reviews, I decided to buy a pair of these cans.   However, I am very disappointed with them. I am trying to figure out whether this is caused by some QC issue or not. There are no bands completely missing however, as I've seen some people say. Otherwise, the only...