frankraindog
100+ Head-Fier
Both are great , it really depends on the headphones which one to prefer, I prefer mircozotl with cans like hd650 , Beyer T1
ifi iUSB > ifi iDSD > ifi iTube > ifi iCAN > Sennheiser HD700 / Denon D2000
> Audiolab 8200A > Q Acoustics Concept 20