So is this the thread for the mx2 as well? I just got my pair. When I first tried them out there was a weird rattle at a certain frequency. I didn't listen to it for long before I put it through some noise for burn-in. It disappeared and the cans sounded significantly better than before. I always thought burn-in was a placebo.   I'm not the sharpest listener so I can't really comment on the sound, and I haven't listened to them that much either.     They look very...