I just come from reading a sound glossary and still cant find the meaning of "refinement level"...   I heard some people said, "moving from headphone A to headphone B, it's clearly that headphone A is more refined" or "headphone C is the most refined headphones to date"... But when they said...

Hi, I have a few questions...  I have Earsonics SM3 version 1 (I reviewed it in >> here <<), and I accidentaly played 15khz frequency (using SineGen, you can google this) through my FiiO E5 amp at max volume! From what I know, FiiO E5 max output is 100mW at 32 Ohm... Considering SM3 is 34...

Well, first time posting here... In essence, I am posting my impression of IEM vs over-the-ear-open-backed-headphones in general, and Earsonics SM3 v1 vs Sennheiser HD-555 in particular :) Background Since I was born, until 1 year ago (when I saw head-fi.org), I only heard some cheap...