I am a Music Freak and Love tO LISTEN MUSIC IN HIGH QUALITY i have used Creative EP-660, Soundmagic CX Series, and now m using Soundmagics e30..When We come to design they follow unique desit which fit well in ur ears and are best for running jogging etc...AND after using a month and a half i draw out certain conclusions about soundmagic e30 that the sound is well balanced, trable and bass are equally balanced..some people think that the bass is little bit less..but i think it is greatly balanced by soundmagic’s engineer...ups and down are just awesum..and mids are amazing...if u notice clearly u will find some instruments that we cant listen in ordernery speakers but can be listen in these earphones..with having budget of around 2000Rs i FIND them best sin sound quality..if u r music lover want to listen a crisp and clear sound that is well balanced than go for it...if u llike little trebellness go for Senheiser Series..and If u r Bass Addict then Go fOR SONY...that was the honest reviews from my side...Thank You..