How can I set up CSGO for Immerse Gaming HIVE?

Please follow the following steps.

1. Go to Game Settings → Audio Settings

2. You must unselect and select ‘Speakers (Immerse HIVE)’ in the ‘Audio Device’ dropdown menu.

   Note: This manual reselection process is needed for CS: GO to output game audio to Immerse.  

3. Update the audio settings to output 5.1 Surround Sound.

4. Make sure to turn off advanced 3D Audio Processing in the settings.

You can also refer to this link.