They're more neutral. The treble is much less hot, the mid-bass is more recessed, and the sub-bass is more pronounced. Overall, I'd say that the K167 is a fairly neutral can. It sounds a lot (in a lot of ways) like a more intimate Q701 with bass.
The soundstage is just as big if not bigger than the DT770, IMO. I did a lot of comparison in that regard.
Edited by Tus-Chan - 1/19/13 at 8:17pm