9. How to use the R9 as a USB DAC function to connect to a computer?

[Windows Computer]

Install the FiiO USB DAC driver on your computer first: Click here

Switch the working mode of the R9 to USB DAC mode on the drop-down menu or go to Settings->Mode choose menu to enter the USB DAC mode.

R9 output setting: switch to the corresponding output port according to the interface used, switch to [PO] on the front panel headphone out, switch to [PRELO] or [LO] on the rear panel line-out,switch to [PO+PRELO] on the front panel headphone out and rear panel line-out.

Connect the computer and the USB 3.0 Type C port in R9 through USB data cable, set the audio output of the computer system and the audio output of the playback software to R9.

How to play music in DSD format when used with a Windows computer: Click here

[MAC Computer]

MAC computer does not need to install the driver, just choose to set the corresponding sound output device.

It is recommended to adjust the system volume to the maximum, and adjust the output volume of the machine by adjusting the potentiometer.

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

[Linux Computer]

The Linux system is drive-free. In theory, it can be used directly by connecting it to it. However, due to the large number of versions, it cannot be guaranteed that all systems can be adapted. If the connection is not recognized, it is recommended to change to another data cable or USB port for troubleshooting.