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!)

V5.62.0 version download link: 

(K11/Q11/KA13/KA1/KA11 is not compatible with Win7, and please download this version) 

Click here  (For Win 10/11, not for Win7/8/XP)

V4.47 version download link: 

FiiO USB DAC driver V4.47.0.zip or Click here (For Win7)

2. FiiO USB Audio Driver (For KA2 or KA3 or KA5) download link(Updated at 20230928)

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: