“output”*mac sound preferences tab 2*

*for stereo sound, you can adjust ‘balance between left/right ears with the ‘balance spectrum slider’*

Change the sound output settings on Mac

You can play sound through

your computer’s internal speakers,

your display’s speakers
(if it has speakers),

or through

speakers,

headphones,

or other equipment plugged into your Mac

or available wirelessly through AirPlay

Open the Output pane for me

On your Mac, choose Apple menu > System Preferences,

click Sound,

then click Output.

Select the device you want to use in the list of sound output devices.

All sound output devices available to your Mac are listed, including

the computer’s internal speakers,

devices plugged into your computer’s sound port (Audio port icon),

USB speakers,

and AirPlay devices

For any device plugged into the computer’s sound port, choose Headphones

Do any of the following to adjust your sound output settings:

Adjust the balance or volume –>

Drag the volume slider.

Show a volume control in the menu bar:

Select the “Show volume in menu bar” checkbox so you can turn the volume up or down from anywhere

To set a separate volume for alert sounds, click Sound Effects.

Depending on your Mac and the devices you use, you may be able to set other volume options using the Audio MIDI Setup app.

Open Audio MIDI Setup for me

If you use apps that have volume controls (for example, Music or iMovie), their settings can only be equal to or less than the computer’s output volume. They do not override the settings you choose in Sound preferences.