Asus BE24EQSK 23.8" 16:9 IPS Business Monitor with Webcam - Manual (Page 24)

2-10 Chapter 2: Setup
2.9 Setting up the monitor speaker as
default setting
When your computer connects multiple speakers, if you want to set up the
monitor speaker as default setting, please follow below instructions:
Right-click
Volume in the Windows task bar notification area.
Click Open Sound settings enter to Sound setting interface.
Enter Sound setting interface then select Sound Control Panel .