These are at my school, and I have no idea what they are. They sound pretty good and fill the room up pretty well. Make/model and pricing would be greatly appreciated.

I've had this pair of S4's for about 9 months now and I've noticed that the driver flex is getting worse and worse as time goes on.   During the first couple months of owning, I would only experience it when I first pop them in my ears to get a snug and sealed fit. Now, when even they are...