Hi,   I have been a long time user (and lover) of the Headroom micro amp and dac combo. My headphones are the Sennheiser HD-650 (my favorite) and HD-700 and Shure SRH1540 (closed back). I also have a pair of JH Audio JH16s, but I hardly ever use these IEMS with this desktop setup as the noise...

Hello to everyone. This is my first post here at head-fi.org. After what was almost an all-nighter doing research here on head-fi.org as well as some other sites, I was hoping that I could get a little advice? I apologize profusesly in advance for the long post. I just have so many questions...