First of all I would like to thank the Head-fiers for helping me when I bought my M100, I love this headphone and I owe it to you.
Well, for starters, today I have a V-Moda M100 and an SMSL M3.
Now, since I'm going to the USA in April, I plan to buy an open back headphone. The three headphones I am in doubt are the Fidelio X2, HD650 and DT990 premium. I would like to hear from you about the build quality, sound quality, clarity, imaging and...