as on my mdr ex 1000 when listening to classical,instrument music,or any 'slow/soft' music they sounded great.but when playing hard music like techno trance there is something not right about the sound.it just didn't deliver the 'umpph' while listening to it.(I hope u guys what I mean).same goes to most kpop music.
I also used to have sennheiser cx550 long ago which is good IEM.playing techno music does give me the 'punch' when listening to it.but they are just average performer to other genre like the instruments played just panned to L and R channel and doesn't have the great soundstage and dynamic like the mdr ex 1000.so listening to other music genre doesn't feel as enjoyable as to the mdr ex 1000.as you 'hear' the music not 'feel' the music.(again, I hope you guys know what I mean)
the point here is although the mdr ex 1000 are excel at several music genre.they also have the downfall to the other music genre.and the sennheiser cx 550 good at techno but they just average with other genre.so I wonder if this might be the case with FAD VI.
thx and sorry for my grammar and if any of my description is irrevelant as it should be.