I'm looking to buy my dad a set of headphones to use at work (has his own office) and at home at night in the kitchen, so they don't have to be closed. The source will be his laptop and I'm thinking around $150 or less, with of course less being the better option. He listens to mostly classical...

Hey all.  This is my first post here, and I'm totally new to audio devices and such, though I'm thinking of getting into it.  Right now I'm just looking at options for a portable setup so mp3 player and iems, and amp maybe?  I don't really have much to spend, and was wondering what route you...