If you can't record audio after installing macOS Mojave
After installing macOS Mojave on your Mac, you might not be able to record audio in apps like Logic Pro X, MainStage, GarageBand, Final Cut Pro X, or third-party audio and video apps.
After installing macOS Mojave, when trying to record you might see an alert that says audio input isn't accessible. Or you might not hear sound, see waveforms, or see audio meters move when recording. To record audio, allow the app to access audio inputs:
Close the app you're using to record audio.
On your Mac, choose Apple menu () > System Preferences, click Security & Privacy, then click Privacy.
Click Microphone.
Select the checkbox next to an app to allow it to access the built-in microphone on you Mac, an external USB mic, or the inputs on an external audio interface.
Open the app and try to record audio again. If you're using a USB mic or an external audio device and you still can't record audio, check with the manufacturer for software updates and information on compatibility.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners.
