1. On the "System Preferences" page, click the "(Sound)" icon to enter the
"Sound" setting page;
2. In "Select a sound input device" under "Input", select "Spedal 4K
Camera" and adjust the input volume to a suitable level;
3. Select the appropriate output device under "Output", adjust the output
volume to a suitable level, and make sure that "Mute" is not checked.
3.2.3 Audio input (microphone), output (loudspeaker) settings
Search
Apple ID, iCloud, Media & App Store
Sound
System Preferences
SearchSound
Sound Effects
Select a device for sound input:
Name Type
Settings for the selected device:
Output Input
Built-in
USB
MacBook Pro Microphone
Spedal 4K Camera
Input volume:
Input level:
Output volume:
Mute
Show Sound in menu bar
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