Audiophilepure

Read Here

Ultimate Ears UE900s — $400
RHA T10i — $200
thinksound ms01 — $120
Etymotic mk5 Isolator — $60

“We did not experience Death By Powerpoint, as Marc’s opening presentation was quick yet informative, and he mentioned one aspect of their design process that DIY hobbyists and more competent design engineers should recognize. If you build a piece of audio gear solely adhering to abstract specs, such as “flat frequency response,” the result may be subjectively unacceptable. A smart designer combines subjective listening with objective measurement to arrive at the final solution.”