My wife wearing the Zino (with Cowon D2+):
Me:
Short impressions:
They sound great when plugged into my Technics AV receiver and listening to vinyl. (Especially with full bass and treble.)
However, they sound pretty flat and high pitched on my Cowon. (Nothing the equalizer can't fix, though.)
Play time ~ 3 hours so obviously no burn-in. Didn't have time yet...
(My ear is still broken. My wife says they sound really great.)