When my friend got his X9, he turned it on and put a few songs on it and was listening to music with it then it crashed.   He tried to connect it to his windows 7 computer and it wasn't recognized. He also tried Jolicloud (linux distro) and Ubuntu to no success.   Is it bricked and if so...

So, I need a DAC because I have garbage onboard sound card on my computer but I also need a portable amp because I like to sometimes sit on the couch with my ipod and listen to my K702's. Eventually I will be getting ATH M50's for portable headphones so from what I understand they benefit from a...