Sorry it seems like a sidestep but is a Hi Fi audio system such as the sony CMT-SD1 considered a DAC? I can use optical cable to tranfer digital infor from my pc soundcard to the Hifi system and output it into my headphones.    From there I can modify Bass, Treble, add a surround effect etc...

does the DAC improve the sound for the X2? I heard the X2 doesn't benefit much from amps.

I really had no idea. Pads can bass go crazy and make vocals sound distant? I ordered HM5 pads for my M50Xs so maybe I can put them on the fidelios to see if that changes things.

Ok guys. I ordered this twice on AMAZON UK due to the price drop and received 2 clearly different models. As read in the comment from there are different models in circulation at the moment. These are how I received them 1st pair [GIBSON]- Clear writing on the leather padding. Glued on...