Hi, I was wondering if anyone on this site knew about any music which was recorded in binaural sound   ie. Virtual barbershop http://www.youtube.com/watch?v=8IXm6SuUigI&feature=related   ...besides pearl jam

What is the burn-in time needed to make these have an significant improvement in sound and what type of sound would be best (rock, rap, classical, doesn't matter)    So far I am not that impressed they don't sound that much better than my portapro's, but for only 5$ more I guess I shouldn't...

Will I need to get an amp to get the full sound out of these cans?   I have a fiio e3 but will that be good enough or should I get and e5 or l2?   I listen to opera and rap primarily, what should I do to the music files in order to optimize them for this?   I know the 438 is better...

Hi, I've decided to get headphones for my bday   My current choice is the sennheiser mm400 (gonna buy on ebay- with sennheiser warranty)   I have had sennheiser hd238 precision, px100 and px 200 (broken )   Does anyone know how these would compare stirctly in terms of sound quality...

I just bought a used pair of beats by dre solo. Got them from kijiji (like craigslist)   The person wanted to get rid of them because of the well known headband breaking problem, apparently they happen to most beats   http://www.youtube.com/watch?v=-VrUlRbZ71w     But it's a pretty...