surpasses much higher price ear-buds for years i have been a big fan of Bose speaker systems, so when the company came out with their first and maybe their only in-ear headphone, i rushed out and bought one for $106, after a few months of listening i became truly disappointed, more so when i got a pair of Sony MDR-ED21 ear-bud which cost me only $18, let me hasten to say that high-quality sound is very important to me, and i can say without a doubt that the sony has outperformed the Bose by a wide margin, it is way more dynamic, transparent... more info