I've just received the VRM box and I have been playing around on it for ten minutes to
give you an immediate view.
All the presets concentrate on certain ranges, which is really good if you want to just hear bass or highs in certain environments. I guess if you want to mix dance or rock there seems to be some good presets to help.
I've been listening on my Senheisser HD650's through USB nad the laptop. I will now try SPDIF through my main music computer
There's a bypass swith which helps you refresh your ear and is meant for A/B