After a couple of days with my new stuff I believe I am going to turn from a mainly IEM user (currently the very good Sendiy M1221, Mee Audio Pinnacle P1, MusicMaker Shockwave III) to an Over Ear (closed back) guy.
Addicting sound from...
(listed in order of my current preference from top/best to bottom)
Bosshifi B8
(balanced and neutral - all frequencies are present and well-defined, enough rumble in bass section, very good isolation and low emission, after cushion adaption after a few days very comfortable but might be not best suiting for small heads)
ISK HD9999
(warm, overall very refined, not 100% balanced but slightly v shaped with a relative sub bass enhancement, same time mid bass is lacking a bit, slightly enhanced and very addicting but never sibilant or harsh treble. A pleasure. But voices may appear slightly recessed. Wished to have more mids presence. I am using the thinner and harder replacement cushions. Big diameter cushions which may not fit for every head but the default mounted pair is softer and bolder and may fit better. For me nevertheless a very comfortable headphone. Isolation and emission are still ok but not as good as the others)
ISK HP2011
(more presence, clearness and sharpness in the mids and treble but less refinement than the others, might be too sharp for someone (only a view hours burn in - hope this is going to tame later), more an analytical character, very comfortable with no limitation for my head, isolation and emission are ok but not the best)
AKG K551
(so called "reference" headphone. I believe this may be true. Balanced and still neutral. This said I would call it though a thinner sort of sound nature. Maybe like a "thinner" Version of the Bosshifi. Very comfortable, too!)
This is a first sight on the candidates from a hobbyist but for now I won't miss any of these in my collection. Of course there are differences between these, but they all provide a very, very good, clean and in most cases airy and more or less balanced sound and high comfort - and this is not related to their price level which is partly not understandable low (have to say I got the AKG used for only 40€).
Times before I spend up to 350€ for single over ear headphones but never got what I get from these four candidates in respect of the combination of sound quality and comfort level.
I would recommend each of these.
Edit: new order and some edits after my yesterday's listening session
There have been times that I have preferred my modded b6 to $800 JCV-DX1000... and I prefer DX1000 over anything I've heard in it's price range.
