There's also a big gap on the bottom of the left earpad under my left ear where ambient sound pours in. Only when I force it against my head does it feel fully isolative. These cans don't fit on my head well at ALL.   I also think my drivers are mismatched. Center feels like left-center a...

So I've gotten myself a pair of A900X's. Right off the bat, I realize they slip off my head like no tomorrow. Boo. What should I do? Any suggestions?   EDIT: Tried a rubber band. It's alright now.

Many thanks for the suggestions! So far, of that list, I've narrowed it down to the A900X. Would you recommend amplification? I'm mostly going to be running it through a creative x-fi titanium.  

Hi there. I truly appreciate any and all input from the more experienced users here.   Let me give you a little background. I don't have diverse experience when it comes to headphones. But, I do have an ear for quality and refinement. I can hear fine differences between sources to a...