Really like this earphone the longer i listen to.
instrument separation is good, i can clearly hear all the instruments playing at the background clearly, not so great in spatial representation thou. have tried several other triple driver or 2+1 hybrid earphone, this beats them hands down in terms of audio quality.
not very musical compare to single dynamic earphone V shape sound if you like pop music. however is very enjoyable if you listen to piano, guitar, instrument songs. its great for string concerto due to good instrument separation.