My CIEMs have perfect fit, but the seal not that much. The solution are silicon wraps, which I just cut out from some tips. All perfect, but irritating is taking the ciems out of the ear - the wraps obviously always have to fall off. The best solution would be to glue them on. Is there a glue...

Getting on and off my beloved CIEMs in the office became a pain in the... (you know where), so I decided that I need to buy a well isolating headphone (without any leak outside), so nobody get's frustrated with my music, but if necessary (and it is often!) I can fast and easily answer to anyone...

Currently I own the Westone UM3X (owned W3, E500, UM2). I'm very happy with them, but I'm looking for an IEM with deep and vibrant sub-bass - something like my headphones Sennheiser HD380 Pro.   Must have:   1. Deep, vibrant sub-bass - the rest of the spectrum can't suffer from the bass...

I know the pro's and cons of the two players except one but the most important thing - sound. Is here anybody who heard both players? Which one would fit better with my Westone UM2 (at the moment I have only iRiver T10).