Cheers for the response. Regarding burn-in, it's hard to avoid buying into the hype after reading so many comments/reviews while researching into these phones. The praise is so prevalent, you'd think it could cure cancer.    Oh well. I guess I'll send a request for a refund.  

Just picked up some AKG K240s, and in general I'm quite pleased. However it was was obvious on my first listen that the sound was noticeably louder on the left side. Even after 10 hours of use, the sound just dominates on that side by about 10% more in volume. So I went through the obvious...