For windows 10:
- Click the Speaker icon on the right bottom of the desktop and make sure to select the device (Pimax P2NA).
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- Right-click the Speaker icon and select 7.1 Surround.
For windows 11:
Please follow these steps:
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.