Well seal really isn't an issue with my large single flange tips from JVC. I can actually get too good of a seal if I pushed them to deep which gives me a painful vacuum seal and constricts my ear canals. They fit like custom IEMs for me. Just at present I am underwhelmed by what they are offering me in comparison to my other IEMs. I'll keep everyone posted and hopefully they will turn for the better. This wouldn't be the first time I was a victim of burn in :P.
Edited by lee730 - 9/23/12 at 6:47am