I second this. Personally I can't tell a Dragonfly from a Fulla 2 from a Fiio E10K from anything else. Well, my Fulla 2 is louder in its left channel and crac

I second this. Personally I can't tell a Dragonfly from a Fulla 2 from a Fiio E10K from anything else. Well, my Fulla 2 is louder in its left channel and crackles when I change the volume. But no discernible difference in 'quality'.