Summary
Mac Pro speakers crackling can be fixed by restarting the Mac, updating macOS, preventing system overload, turning off user interface sound effects, changing the sample rate of the audio device, and using a different application.
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Setapp is a free app that can help users fix crackling on their Mac, and it can also help users tune their audio quality with the Setapp app.
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2021 Macbook Pro Speakers have been having some noticable and frequent crackles and what almost sounds like a speaker burp when the volume gets close, not fully, to max.
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Some have said that this happens due to the keyboard.
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Aside from adjusting your sound settings, some of the most common ways of stopping your MacBook pro speakers from crackling include restarting your Mac, installing the latest updates, resetting NVRAM, or rebooting your Mac in Safe Mode.
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Apple Developer Forums discuss how to fix cracking and popping sound in Catalina Mac OS 10.15.5 Beta 3 (19F72f) by quitting other applications, killing the coreaudio process, and switching to 48 kHz for music.
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A user on the Apple Community is having an issue with their new MacBook Pro 2021 M1 16" that is outputting crackling sound when playing from the Apple TV app, and has tried setting up a new user account, manually updating the software of both the Apple TV and the MacBook, but has not been able to find any solutions.
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