To change the audio output settings on a Mac, click on the Apple icon → "System Preferences" → "Sound" → "Output" → Choose a device for audio output → Customize device settings. Note:
you will need to have connected another output device to select an option other than the default speakers.
Steps
Step 1. Click on the Apple icon
The Apple logo is located in the upper left corner of the menu bar.
Step 2. Click on System Preferences
Step 3. Click on the "Sound" icon
She is depicted by a loudspeaker.
Step 4. Click Exit
Step 5. Click on an output device in the list
Step 6. Customize the device settings
- Click the white slider next to "Balance" and drag it to adjust the balance settings.
- Click on the white slider next to "Output Volume" and drag it to change the settings associated with the volume.
Step 7. Click on the red "X" button
The changes made to the audio output settings will be applied!