Every audio app stores a profile in the Audio MIDI Setup utility.Toggle the output device selection to correct the configuration problems, if there are any.

Control-click the Built-in Output option to see the list of devices.

Check the desired output device in the Audio MIDI Setup utility.

Here are some points to consider for fixing sound problems: With so many creative audio apps available for Mac, it’s not possible to describe exact solutions for each app. Also, it was the last release to support 32-bit apps. And in macOS 10.14.5, Apple fixed the audio latency on MacBook Pro models introduced in 2018.

Mojave: In macOS 10.14.4, Apple improved the reliability of USB audio issues in the MacBook Air, MacBook Pro, and Mac mini.

macOS 10.15.5 fixed a bug in the T2 chip wherein internal speakers in sound output devices may not appear in the preferences. Non-notarized apps were not allowed, meaning that any older audio plugin will no longer work.

Catalina: Every third-party audio plugin should get “notarized” by Apple.

Also, output audio devices vanished occasionally and only appeared upon restarting.

Big Sur: Major issues with the Bluetooth connectivity when trying to pair audio devices to Macs.Some of the common audio-related update issues include: USB-related audio issues in 2018 Macs were quite common in discussion forums. While most developers are quick to release app updates, both the hardware and operating system can be a major headache. Major upgrades should not be taken lightly, you must have a backup of audio files. Musicians and sound engineers are usually particularly cautious of this because there are often hardware and software incompatibilities with a new release of macOS. Third-party plugins that integrate with your Mac can cause the sound to not work properly. Sound Not Working Due to Major Updates and Third-Party Apps

Macbook pro audio input not working