Is there any change in sound quality on M15 after update from 1.0.1 to 1.0.2 or 1.0.3? I have Ibasso DX220 and sometimes(after update) sounds worse than before....you can hear some slight differences in sound between firmwares.....i wonder if there's the same....

Is it ok to burn in constantly for 3 days when charging with wall adaptor? Is it safe for player? i will use balanced 2.5mm with IEM. thanks

Which is better synergy.....with Alpha or M15?thanks!

I want 1.13.202 img file......I have original FW 1.08.50 img file(update.img)downloaded from first page.........I already tried downgrade to 1.08.50 and then i cant upgrade from android other than last 1.16.242...im dumb... :(

Please help! I dont know what do do anymore... I just cant downgrade from 1.16.242 to 1.13.202.....i tried everything...cant downgrade because of newer version...can someone post step to step instruction..please. 😕😕

Has anyone tried Focal Clears with amp1 balanced vs amp8....

Cant decide between Noir Hybrid and Noir (cooper) version for my Focal Clears...:confused:

Hello! One quick question.... I have Shure SE535 iems...do you think that this cable will be great for Xelentos?