Change Audio preferences for accessibility on Mac
On your Mac, use the Audio pane of Accessibility preferences to make the screen flash when an alert occurs, play stereo sound as mono and turn spatial audio on or off.
To change these preferences, choose Apple menu > System Preferences, click Accessibility , then click Audio.
Flash the screen when an alert sound occurs
Make your screen flash when you receive an alert.
Test Screen Flash
Demonstrate a screen flash.
Play stereo audio as mono
Make your Mac play stereo audio tracks as mono audio in the left and right speakers or headphones.
Spatial audio follows head movements
When you watch or listen to content that supports spatial audio (immersive three-dimensional audio) on your Mac, the audio automatically adjusts as you move your head. A sound that seemed to be behind you may seem like it’s beside you when you turn your head. This option is selected by default.
If you have difficulty controlling head movements or it’s uncomfortable to have sounds seem to change location as you move your head, deselect the tickbox. You’re still listening to spatial audio but the apparent location of sounds doesn’t change.
This option is available only on a Mac with Apple silicon. Spatial audio is available with AirPods Pro or AirPods Max.