For windows 10:

  1. Click the Speaker icon on the right bottom of the desktop and make sure to select the device (Pimax P2NA).
图片1
 
  1. Right-click the Speaker icon and select 7.1 Surround.

图片2

 

For windows 11:

Please follow these steps:

图片3

图片4

图片5

图片6

图片7

图片8

 

After you select 7.1 Surround, please click the Next button to finish the settings. Then, wait for about 15 seconds and check the sound.