Uploaded January 2024 | Updated September 2026, 4 hours ago

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Is the FIIO K11 fatally flawed? We review this DAC/Amp combo and let you know what is wrong and right about it.

Some troubleshooting links, should you experience any issues with the K11.

Update MCU Firmware v123

Note: Addresses USB port crash and freeze issue.

Link: forum.fiio.com/note/showNoteContent.do?id=202405152105217698058



Updade sa9312 Firmware

Note: Solution for audio cutting out due to bass frequency. Only do this procedure if "Update MCU Firmware v123" does not solve the problem.

Link: forum.fiio.com/note/showNoteContent.do?id=202404210502519038703