thanx you to you all .
well i cracked up and i unboxing the iem and my first impression was.
is so flat..if i compare with my soundmagic e30(45$) and the second feeling is more embarrasing but it's very difficult to explain in french is not easy but in english lol!,but i try it:):
is very noticiable when i listen smooth music like a part of piano alone it seem an echos sound like ..jazz brush echo (it's my feeling) maybe is that you call sibiliance?
i know bio cellulose need to be burn to be improved but how do you pratice that i don't want to let my ibasso non stop music it will be damaged by heat no?
is it possible to put on pc sound card and made turn the same song a loonoooong time?
how do you burn yours?
thanx alot again for all your helps
have a nice day(night)