I recently got my hd600's about a week ago and I am absolutely loving them. Superb! There is one thing i am wondering is there supposed to be that piece of foam on the inside of the cans. It seems to be the same foam that came in the box. I haven't touched it but it does touch my ear and it...

  What kind of headphones are these? cant figure it out, probably some cheap cans I'm guessing.      

If you don't feel like reading then just answer the questions at the bottom if you wish. I just wrote to give you guys a better idea of where I am coming from.   Recently I have gotten into high quality audio since I purchased the Sennheiser pc350's headset about a year ago. Once I heard...