They were ok at first, I enjoyed the added detail as they were my first good pair of phones. But they got VERY uncomfortable VERY quickly. Not just physically but audibly as well. very fatiguing.  Just got Sony 7506's and they are better in every way, comfortable, easier to drive, quieter background noise, better detail. better dynamics, and I can listen for hours comfortably.  I've been using a dac port pro for both sets. for 10-15 bucks more go sony.