1. First open QQ Music in the yellow box, as shown in the figure below:

2. After opening QQ Music, select the setting function pointed by the yellow arrow, as shown in the figure below :

3. Then select the "Settings" function in the yellow box, as shown in the figure below:

4. Then select the "Audio Device" function in the yellow box, as shown below As shown in the picture:

5. Find the "Output Channel" in the yellow box in the "Audio Device" function, as shown in the picture below:

6. Finally, you can select The sound channels are digitally adjusted, as shown in the figure below: