Today I received my Fiio KA1, sent to me to replace a non-working sample. Works great. The sound is amazing. Thanks to Fiio support.

Hi. As I already said, the firmware was successfully updated to v0.08. I have several headphones, Beyerdynamic DT990 250, Philips Fidelio X2HR, Sennheiser HD560s! at all the problem exists. Aliexpress order number 3033059688165433. Thank you.

Hello. Fiio KA11 was purchased on Aliexpress from the official Fiio store. USB-c version. After one day of use, the volume in the left channel decreased and severe distortion appeared in that channel. This happens on all devices I connect the Fiio KA11 to. I updated the firmware, but it didn't...