So I had stored my T90 in the pleather case that they came with, unused for about a year. When I recently took them out I noticed that the headband was coming apart. Easier to explain with a picture: The rest of the headphones was fine, including the earpads. Any idea what could cause this...

While O2 is technically a portable amp, the versions I've seen are rarely something you want to strap onto your player. I'm considering grabbing a SuperMicro BG8DX MX since it has MiniUSB charger and a charging light, and is acceptable size to stack with my Fiio X3:       The manufacturer...

I'm interested in what could be a good pairing for Beyerdynamic T90, Hifiman HE-400 and/or Sennheiser HD600 to replace my Yulong U100. I've been living under a rock since 2011 so I have no idea what the kids listen to these days but ODAC+o2 and Aune T1 seem to be popular and both cost around...