The chord hurls details at you.
Abbas is a more subtle presentation.
I should try a Chord or the like to see what all this additional 'Detail' is. There is an audio shop here that lends out gear, so if I see one come up to borrow, I will do that.
What I loved about that review, was that he never got into the better/worse argument, he was straightforward with what he heard and ultimately let the viewers know that it's up to your taste if it will work for you or not, depending on what you want your musical experience to be.
I find my 4.0 to be detailed, shimmery, midrange up front, well-suited in the bass, and painting a very coherent soundstage with depth and flesh. At some points, it's as if my speakers are a living/breathing extension of the music, which I never felt with any of my previous DAC's.
Some people after seeing my system have remarked: I must like listening to music, not HiFi. I have no idea what that is supposed to mean, but maybe it means that Chord and the like are HiFi? I for one have yet to hear anything more real than the Abbas ( Even at audio shows) and to me that is HiFi, but maybe that's not the generally accepted definition.