I had been really looking forward to the delivery of my UM56. I must say that I have been impressed by the way the highs are now prominent and the bass is tight. Only one draw back. The seal is no where near the black foam tips I use with my UM2. Even my well worn foam tips give a better seal. Why is that? They do fit okay but I hope I my expectations were realistic. Anyone had a similar experience? Is your foam seal better than your UM56? Has anyone compared the two? Dont get me wrong, sound wise it's staggering but I use mine on the train and I was hoping to get a seal similar to even the ER4-14F foams. This is disappointing but before I send it back I need to have a few opinions. I have been thinking of going custom but if the seal does not come close to the foam tips then I might as well forget it.