First off, let me just say that I am in no way an expert regarding headphones. I'm actually quite new to this whole scene. I only own the Audio-technica M40X and these headphones. The headphones are powered with my Fiio E09K amp.   There's already been said so much about this headphone, and I don't think about this headphone much different than any of these people do.   It's a great headphone, sporting a tremendously comfortable design with (in my opinion) fantastic sound quality. It's a very pleasant, and "airy" sound. This is a nice...