Does anyone know what type of tips these are and where to buy them?  They appear to be medium size and I love the way they sound/fit with my NE-7s.  I am down to one...

Thanks to all that form and post, this is a very informative forum for those of us that can't find good info on headphones! I just sent back a pair of Klipsch S4i. I felt they sounded great, the bass was nice and clear, mids were strong though the highs were just a bit lacking. That is after...