Windows system

(It is recommended to use Edge browser for downloading the driver.)

1. FiiO USB DAC driver

(For FIIO Products with UAC 2.0 function)

(Note: This driver not compatible with the KA2, KA3 and KA5!)

V5.68.0 version download link: Click here  (For Win 10/11, not for Win7/8/XP)

V4.47 version download link: Click here (For Win7)

Note: 

1. KA17/KA13/KA1/KA11/K11/K9/K9 AKM/Q15/Q11 is not compatible with Win7, please do not download V4.47 version. 

2. If you would like to use the products above in Win7 still, please contact support@fiio.com for help.

2. FiiO USB Audio Driver (For KA2 or KA3 or KA5) download link: Click here

3. KB3 HiFi keyboard exclusive driver: Click here

4. How to use the FiiO device as USB DAC: Click here

5. How to play DSD files:Click here

Take BTR7 as example: 

MAC system

How to use the FiiO device as USB DAC: Click here

No driver is required.

Take BTR7 as example: 

Mobile phone

No driver is required.

Take BTR7 as example: