Ok. Reason I'm asking is because I just bought this for around 3 weeks with minimal usage. So if it's some sort of defect, I'll just bring to the service center.

Hi all,   I need some help regarding the AD900. On the right ear cup, behind the small velvet thing, the driver (?) seems to be loose. It can be slightly depressed unlike my left ear cup which is quite sturdy in place (can't depress nor feel loose).   While shaking the right cup a...