K9 Pro ESS-XMOS and Bluetooth firmware downloadFiiO Community| FiiO forum| FiiO product official communication platform

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Reply:11 Read:11644   2023-03-04 09:11:18

Note: When you click the links below to download the firmware, it indicates that you have already read and agreed to the Open source licenses.


If you are using K9 Pro AKM/K9, please do not update it! ! ! If the update is wrong, you may have to pay high shipping costs to send it back for repair.

The K9 Pro ESS has the word ESS on the back! ! !

K9系列EN.jpg


Bluetooth firmware download


Updated at 2023-4-27


V1.1 Bluetooth firmware download: Click here 


How to update the Bluetooth firmware for K9Pro ESS: Click here


Note: 

1. Please update the firmware in Bluetooth mode and do not leave the Bluetooth mode until finishing update.

2. If the firmware update fails, please restart the K9Pro ESS and update again. 


The following changes and improvements have been made for the V1.1:

1. Added PEQ support.

2. Miscellaneous bug fixes.


XMOS firmware downlod


FiiO USB DAC driver: Click here

FW0.25 download: K9 Pro ESS Firmware Upgrade_English.zip




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