Cowon em2 refined sound open back earphones the em2 a new high quality earphone from cowon with sophisticated balance and high resolution the em2 earphones build on the success of their predecessor the em1 model offering an upgrade in overall sound quality with a rich bass and detailed trebles feel the beat anywhere the em2 is a high resolution earphone designed to faithfully reproduce your music as the artist intended offering excellent clear sound quality throughout the audible frequency sp