How To Fix Macbook Pro Speakers Crackling [100% Working]

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How to Fix MacBook Pro Sound Crackling Issue?

So, just imagine this hypothetical situation. You just sat down with your laptop to play your favorite movie and suddenly the sound starts crackling or making some weird noises. Well, yes, this sounds annoying for sure.

If you recently got stuck with the “MacBook Pro speakers crackling” issue on your device, we’re here to help you! Poor audio quality can hinder your viewing experience, whether you’re watching a movie or TV show or simply listening to a music track.

Having speakers that crackle can be an unpleasant and disruptive experience. It can be challenging to determine the root cause of this problem, especially if it’s not limited to a specific application.

However, by following some simple steps, you may be able to find a solution that will eliminate the crackling and improve your overall experience.

If you’re experiencing crackling speakers, it’s important to try out different remedies to determine what works best for you. The cause could be related to hardware issues, such as loose connections or faulty wiring, or it could be a problem with the software.

To troubleshoot the issue, you can try the below-listed solutions and fix this problem within no time.

Let’s dive in!

How to Fix MacBook Pro Sound Crackling Issue?

Solution 1: Reboot your Device

Sometimes a simple restart can fix software-related issues that may be causing the crackling. As a first step, it’s always a good idea to try restarting your MacBook if you’re experiencing any issues.

In the case of crackling speakers, it’s possible that it’s just a temporary glitch in the software, and a restart can often help resolve the issue.

Here are a few tips to help you restart your MacBook effectively:

  1. Save any unsaved work: Before you restart your MacBook, make sure you save any unsaved work to avoid losing any data.
  2. Close any open apps: Close any open applications before you restart your MacBook to ensure that all processes are closed properly.
  3. Click on the Apple Menu: Click on the Apple menu located in the top left corner of your screen and select the”Restart” option.
reboot your MacBook Pro to fix sound crackling
Image source: Business Insider
  1. Wait for the restart to complete: Your MacBook will shut down and restart automatically. Wait for it to complete the process.

Once your MacBook has restarted, check if the speakers are still crackling. If the issue persists, try the other troubleshooting steps outlined below.

If the problem continues to occur after trying these solutions, it’s best to contact Apple Support for further assistance.

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Solution 2: Check for Pending Software Updates

To ensure that your macOS is up-to-date, go to System Preferences and select the Software Update option.

Check for Pending Software Updates
Image source: Apple Support

Install the latest update of macOS on your device and check if the issue was resolved.

Solution 3: Check the Sound Settings

Go to the Apple menu > System Preferences > Sound. Make sure that the Output tab is selected and that the correct audio output device is chosen. Try changing the output device to see if it resolves the “MacBook Pro speakers crackling” issue.

check the built in sound setting
Image source: How to Geek

Your sound preference settings could also be the cause of the crackling issue. To check this, go to System Preferences, select Sound, and then choose the Sound Effects tab.

If any sound effects are currently enabled, try disabling them to see if it resolves the MacBook Pro sound crackling problem.

Solution 4: Review the CPU Usage

Ensure that your Mac is not overloaded by opening the Activity Monitor and selecting “CPU Usage” from the “Choose Window” menu.

review the cpu usage

This will help you determine whether your CPU is being overworked and causing the crackling. If the CPU usage is high, try closing some applications to see if it resolves the issue.

Solution 5: Reset NVRAM

Resetting the NVRAM (non-volatile random-access memory) on a MacBook Pro can help resolve issues related to the system’s settings, such as display resolution, sound volume, and startup disk selection. Here are the steps to reset NVRAM on a MacBook Pro:

  1. Shut down your MacBook Pro.
  2. Press the power button to turn it on and immediately hold down the Command + Option + P + R keys.

    reset cpu RAM to fix speaker crackling in macbook pro

  3. Hold these keys down for at least 20 seconds, until you hear the startup sound twice.
  4. Release the keys and let your MacBook Pro continue to start up normally.

After resetting the NVRAM, you may need to reconfigure some settings, such as the display resolution or the startup disk selection. However, your personal data and files should not be affected by this procedure.

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Solution 6: Kill the Core Audio Process

Core Audio service is responsible for managing and processing all audio on your Mac, including recording, editing, playback, compression, decompression, signal processing, and audio systems.

If you experience audio crackling issues on your MacBook Pro, force-closing this service may help resolve the problem.

To do this, you can execute a Terminal command, but keep in mind that you will require admin privileges for this to work.

Head to Applications> Utilities> Terminal.

Enter the following command in the Terminal window and press the Return key to execute it:

Kill the Core Audio Process
Image source: Setapp


sudo killall coreaudiod

Enter your password to authenticate and proceed. Your device will now reboot automatically. Play any audio to check if the “MacBook Pro speakers crackling” issue was resolved after killing the Core Audio process.

Solution 7: Restart Mac in Safe Mode

To restart a Mac in safe mode, follow these steps:

  1. Shut down your Mac completely by choosing Shut Down from the Apple menu or holding down the power button until the screen goes dark.
  2. Press the power button to turn on your Mac and immediately press and hold the Shift key.
  3. Keep holding the Shift key until the Apple logo appears on the screen. This means that your Mac is starting up in safe mode.
restart Mac in safe mode
Image source: Mac Sales
  1. Once your Mac has started up in safe mode, you will see a login screen. Enter your username and password, as usual, to log in.
  2. When you are finished using safe mode, you can restart your Mac normally by choosing Restart from the Apple menu.

Safe mode is useful for troubleshooting various issues with your Mac, such as starting up problems, software conflicts, or other unexpected behaviors. During safe mode, your Mac will only load necessary system extensions, so some features may be unavailable or not work as expected.


The MacBook Pro speaker crackling issue can be a frustrating problem to deal with, but it’s not uncommon. There are several potential causes of this issue, including software conflicts, outdated or corrupted drivers, or hardware malfunctions.

Fortunately, there are also several effective solutions to try, ranging from adjusting sound settings and updating drivers to resetting the NVRAM or even repairing or replacing hardware components.

By following the steps and tips outlined in this article, you should be able to identify the cause of your MacBook Pro sound crackling problem and resolve it quickly and easily.

With clear audio once again, you can fully enjoy all the multimedia experiences that your MacBook Pro has to offer!

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