(Update below) For the past 5 days or so, I've been listening to my most recent acquisition (the DT-770) un-amped because I'm far away for home and I was waiting on my new Schiit to arrive. These cans are considered to be easy to drive, but they sounded flat directly trough my PC. The bass had no punch, the soundstage was rather poor and I had the volume maxed-out all the time. They were decent, but I missed my home set-up. The post-man came by this morning with my new Fulla. I plugged that (surprisingly) small dongle in, changed the...