Guys, anybody?)
During last few months, I have bought 1) ABnormal Diomnes LV2 and 2) Zen2 Black Cardas. Both of them required a lots of power to be driven correctly. You definitely need good, powerful amp to drive them, I guess none of DAPs will work correctly with them.
1) Has amazing extension, resolution and sound overall. They are analytical, but it does not jump to your mind at all. I use them with thin VE foams.
2) Truly fantastic earbuds, which sounds like full-size cans. It is really hard to describe Zen's sound. They do not need any foams or, at least, you can use thin VE foams. Recreation of the sound is sun-like. There is source of sound in the middle, and the rays comes from it in all sides 360 degree. Bass is well textured, mids are clear and full. Highs has wonderful clarity and unusual positioning in the space.