This and That:
Comes with a very long, permanently attached cable with 3.5 mm TRS plug (that shows the serial number and info about the impedance). Good strain relief.
Comes with a traveling/storage case/bag that offers only enough room for the headphone if the ear cups aren't extended but in the highest position.
Semi-open design.
Aluminium and pleather are dominant elements. Good build quality; appears premium.
The adjustment mechanism is unfortunately a bit too loose/wobbly, however doesn't appear fragile.
Fairly little clamping force; rather loose fit.
Soft pads; great as long as the temperature isn't too hot.
Sound:
Tuning:
Tuning:
Balanced sound heading into a rather neutral direction; ultimately slightly v-shaped.
Overall near neutral bass quantity with a moderate upper bass lift around 100 Hz; slow roll-off towards sub-bass below that. Sub- and midbass still audible but quieter than upper bass.
Only super gentle fundamental warmth; overall pretty realistic midrange reproduction with slightly gentle upper mids. No midrange colouration. Subjectively, the mids appear slightly more distant than intimate; one could say slightly "relaxed".
Treble emphasis around 9 kHz; leads to bright, somewhat coloured (sizzling) cymbals. Not annoying or piercing but lacks the last bit of realism. Extension past 10 kHz could be a little better.
Overall very balanced without anything that's annoying. Only lacks a bit of upper treble realism and extension linearity below 100 Hz.
Resolution:
The lows are pleasantly quick and tight. Better than my Sennheiser HD 600's in terms of speed and tightness, but somewhat softer and slower compared to my AKG K701 or HiFiman HE-400.
Busy tracks with fast impulses lead to a slightly mushy sound (less so than the HD 600, but the K701 and especially HE-400 are audibly a bit superior). Still way more than sufficient for most use cases; only rarely appears overstrained.
Overall good resolution with clean separation. Good speech intelligibility and midrange resolution, although somewhat behind that of the HD 600.
Soundstage:
Three-dimensional but rather small. Circular but not too much width.
Solid layering with good portrayal of depth.
Works well with about anything but large orchestras that appear a bit cramped.
The K701 has a much wider stage but no real depth whereas the DT 880 Edition 600 Ohm is able to reproduce spatial depth, wherefore I regard its soundstage as more realistic.
My HD 600 has got the most realistic soundstage out of the three, however doesn't feel as sharp when it comes to instrument separation.
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The soundstage and bass (extension) somewhat remind me of that of my Shure SE425 that is however tuned differently in the mids and highs (intimate mids, rolled-off upper treble).
Conclusion:
Good build quality and design; soft pads and high comfort. Solely the height adjustment mechanism could be tighter and less wobbly. Balanced tuning that fits well for most music. Upper treble realism could be better (there's an emphasis in that area).