2 ideas for the X3 - it would be good if the battery would be changeable , not as with the E7 [does anyone know some information concerning it?] - a nice feature would be, if the DAC function could be used when it is connected to the E9 [ or trough the USB, but here have some concerns that...

Hi, Have check my E9, if I can see also the problem [sound comes primarily from the right side] with lower volumes, but could not face it. My used cans were: AKG 240 Studio 600 ohm, KOSS UR/29 100 ohm, Creative Aurvana Live! 32 ohm. The E9 was connected to my PC using the DAC from the E7.

i_djoel2000, 120$ was just a typo. Feiao corrected it in a later post :)

Hi, the X3 sounds to be a nice product. Does someone know if it will have an upgradable firmware?  

Hello,   I am thinking of buying a Sextett. Unfortunately I dot have a stronger amp. This week will receive hopefully my Fiio E7 and was thinking that maybe if I just buy Fiio E9 it will be enough to drive the Sextetts. Does anyone have some experience with the E9 and Sextett combination...