True, I don't have another USB/DA converter/headphone amp to compare it to (I think you can use the Fiio X3 that way with the most recent firmware upgrades,not sure though, haven't tried, I do use it line out to an external portable amp most of the time), but I'm no stranger to good sound/high end audio and the like...got good audiofool credentials, high end rig in the living room, many hours auditioning full size equipment. The headphone stuff is recent, but, with the Geek Out, it's not even, "man the soundstage is so wide" or, "listen to that sub-bass extention", though I can play all those games with it. It's more, "Wow, that sounds FABULOUS, can't sit still, I LOVE this song...", etc. The EXPERIENCE of listening to the music makes me not WANT to analyze what it's doing right, who cares?
Hey, May is only a month away, or less, I don't know how many months ago I ordered, maybe 4,5 or more, worth it, can't believe how good this thing sounds!!!
If you've read some of my posts here, you know I'm generally a bit reserved in my praise for things. I'll point something out that I like, say some good things, maybe some offsetting negatives...not an audio-floozy, don't throw myself at every new chrome, DAP, or Balanced Armature that throws itself at me, y'know! I generally don't like to sit at my computer to listen, like the portable gear better, carry it, got to bed, walk the dog, etc. I can see being stuck here a bit at my desktop, though. The music has that "grab you by the kazatzkas" factor. I can't even listen to my high rez stuff...I upgraded JRiver from 18 to 19, somehow all my HDTracks downloads disappeared in the process (the external speaker seems to have stopped playing from internet sources, though it does play from JRiver or iTunes). I have them on the X3, so I should be able to drag them back to the computer when I get a chance. Still, ripped CD's, still plugged in with Senn 650 (try some other headphones sooner or later, don't want to mess now), and, HEAVEN!!! (and I've always been mixed on the Senns, open wide, but I always heard the "haze" others described, sometimes impact not quite there. They were just waiting for some Geekifying). Haven't tried the Awsemfier or whatever they call it either yet, maybe later...