I will be buying a portable amp exclusively used with my portable players (Cowon J3, D2, X9).
The thing is, I'm still about to audition some full-sized headgear and some of them need an amp for better volume/sound (as I've read from the forums).
The only available amps in my place are Fiio, Audinst, T-box, and BAB1-Xa.
As for Fiio, E11 seems to be the candidate for my use. But it seems a lot of people recommend E17 or E07 because of DAC. I won't be connecting my...