7.How to use the K13 R2R as a USB DAC for computer?

【Windows computer: Only support Win10 or above】

1. Install the v5.72.0 or above version FiiO DAC universal driver on the computer;

Driver download link: Click here

2. K13 R2R input setting: After turning on the K13 R2R, rotate the [INPUT] knob to switch to [USB IN] mode.

3. K13 R2R output setting: switch to the corresponding output port according to the interface used.

【OUT PO】Front panel 3.5mm + 4.4mm headphone output, typically connected to headphones

【OUT LO】Rear panel LINE OUT + Balanced Out with maximum fixed output volume, not adjustable, typically connected to speakers/amplifiers with adjustable volume

【OUT PRE】Rear panel LINE OUT + Balanced Out with adjustable output volume, typically connected to speakers/amplifiers without adjustable volume

4. Connect the computer and K13 R2R through a square USB data cable, set the audio output of the computer system and the audio output of the playback software to K13 R2R and then use it.

(Both the rear and side USB ports can be used for USB decoding. If the two USB ports are connected simultaneously, the side one will prevail, and the rear one will be disabled.)

5. With a computer: How to play general lossless tracks and music in DSD format? Click to view

When using the K13 R2R UAC mode to connect to a computer for music playback, occasional audio dropouts or USB recognition issues may occur:

This is because the front-panel USB ports on some computers may experience unstable signal transmission compared to the rear-panel USB ports. This instability can lead to occasional audio dropouts or USB recognition failures. If you encounter such issues, please try connecting to a USB port on the back of the computer.

【MAC computer】

1. MAC computer does not need to install the driver, just change the sound output device to K13 RR after connection.

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

Apple computer DAC setting introduction: Click here

Notice: When K13 R2R is connected to Mac, it can play DSD tracks up to DSD256. This is because under OSX, the DoP can only support DSD256.

【Linux computer】

The Linux system is driver-free. In theory, it can be used directly by connecting it directly. However, due to the large number of versions, it can not be guaranteed that all systems can be adapted. If it is connected, it is recommended to use another data cable or USB port to check. is not supported.