I just received my VSD1-S today and I can honestly say I dislike one thing, the cord, I hope this thing will last a long time. I do have the "Big Brother" the GR07 BE which is my go to's right know and they still will be. It is a little early to give an accurate description but right now I the highs are a little harsh and the mids seem a little recessed, but with any dynamic these will need some burn in time which they are right now with the Fiio X3 which is still awesome.
Howdy howdy! I have not been kind to my VSD1 cable or the strain reliefs, but they are dealing with the abuse quite well so far! I actually prefer the thinner cable more than the thicker BE cable, mainly because it is easier to get them over the ears and have them stay there without needing the ear cable guides.