Yeah, i had the HD550's, the 598s and the 650. While these were all amazing HPs, the X1 is simply better. On the T1, the bass is deep and controlled and I never get tired listening to them while working.

Trying it now... Been listening on the Aune T1 up until now, but..... Yeah, they sound great on the E07K. I'm running it with 6,0,0 (gain, bass, treble) and it sounds good. Soundstage, transparency, bass punch.... IMO a little shallower than from the T1, but that COULD just be placebo :)  ...

      It does work, i have a galaxy s3 with e07k and its just plug-and play. I use this OTG microUSB - USB cable i found on ebay.