Problem with sound output from speakers connected to external monitor.

Hello,


The sound played from my MacBook Air M4 through speakers in my desk setup comes with high crackling.


The desk setup consist of the MacBook connected to Dell dock (WD19) with USB-C, LG Monitor is connected to the dock with Display port cable and speakers connected to the monitor with 3.5mm headphone jack.


I have tested that sound comes good from the speakers if it's played out through the headphone jack connection in the dock or directly in the MacBook while the problem remains with other speaker devices connected to the monitor.

Moreover, the sound worked with my old MacBook Air (intel 2019) version as well as my work computer (windows) with using the same configuration for the desk setup.


To add on these the problem has occurred with the new computer from day one.

MacBook Air 13″, macOS 26.0

Posted on Nov 4, 2025 3:52 AM

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Problem with sound output from speakers connected to external monitor.

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