Was looking for in-ear phones that would compare with the Bose noise cancelling over-ear format.
Took a chance on the EB50s and I'm not disappointed. Obviously they don't reduce ambient noise down to levels Bose achieve (they're only passive, of course); but very impressive.
I agree with previous comments ~ sound clarity/reproduction is extraordinary and because of this the sound seems a little 'thin' at first; but you're getting the uncluttered sound of the original recording. So, if you normally listen to low quality/highly compressed music files then you'll probably be disappointed (stay with the cheap units provided with your music player).
If you love your music to be delivered as intended by the music production team then you won't be disappointed!
Highly recommended, even though the price seems high for a set of earphones.