AB tested with Beyer DT 770 250 Ohm, both straight out of the box.
ESI clearly won soundwise (quality and volume), which is amazing, without even using the included software. Really clear highs, well-defined bottom, clear stereo image, pleasant sonic experiance all in all. (don't knowif it's gotta to do with semi-open vs closed type, but the results were there).
Really comfortable, lightweight, with good head adjustment.
The adjust-to-your-head feature is accompliced with an elastic string (in a akg k72 sorta way), which remains to be seen how well it reacts with time, but can't seem to find an easy way to change it if it breaks. Works well right now. Contruction and cable is a bit flimsy, not super high-end, gets the job done tho.
Software seems usefull, did not have a chance to mix with them yet, but simulates different rooms-listening conditions pretty well. Wish it was able to incorporate to the system sound (think of Sonarworks), which does not, at least did not find out how yet. You have to drag things inside the app to listen to them.
Wish there were some ESI closed type model as well, would love using them for tracking. Made me interested in the whole range of products by this Co.
Again, the sound is PHENOMENAL!!! A little better hardware quallity and app incorporation to the system would easily sell the product for double the price.