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Crackling sound on MacBook Pro 2018

I have the new MacBook Pro 2018 15' I've had it for almost two moths now. I'm sure some user are familiar with the crackling sound from the speakers on their new MacBook Pro. Even apple has addressed this with the macOS High Sierra 10.13. 6 supplemental Update 2.


However, even after updating I still have a crackling sound or a random sounds every time my speakers gets on 44 100 Hz. I can easily fix it with selecting 48 000 Hz, but I still find it shocking that the MacBook 2018 can't use 44 100 Hz... I don't want my Mac on service either atm, simply cause I still believe Apple has a fix for it. I've already replaced my MacBook Pro 2018 15' model once so I don't believe it will help if I try again. (I got it replaced for the same problem). The only reason this is bothering me is simple cause I work with sound, music to be exact.


So I'm just curious if people still have a problem with their MacBook's using 44 100 Hz? or if its just mine.

MacBook Pro (15-inch, 2018), macOS High Sierra (10.13.6)

Posted on Oct 9, 2018 3:18 PM

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Question marked as Top-ranking reply

Posted on Dec 11, 2018 11:21 AM

I went round and round with Apple Support a few months back regarding this issue, and eventually it seemed that the problem went away with my initial Mojave upgrade.


However, in recent weeks, and especially with the release of 10.14.2, the crackling and popping has come back more frequently.

I think we need to resurface attention to this issue, as there is something seriously wrong with this 2018 round of MBP's.


Awaiting further developments...


53 replies

Mar 19, 2019 8:23 AM in response to DPJ

Perhaps I exaggerated but it sure seems like there are a lot of people experiencing the problem. In the scheme of things it may be a small percentage but no one with the problem seems to be getting any satisfaction. You are just one of the lucky ones.


My comment is somewhat jaded because originally I went to the Apple Store to get a lower model MacPro and three of them they brought out to me wouldn’t start. They ended up giving me a better laptop. While I was there a friend of mine was also there. He had brought a new Apple computer home and it didn’t start. He was getting a replacement. Hence my comment.

Mar 19, 2019 8:30 AM in response to RockBands

"You are just one of the lucky ones."


I'm not just one of the lucky ones. If that were the case then Apple would have the worse computers in history if customers were just lucky enough to get one that works. Come on. That's a huge exaggeration. I've had a very good history of buying Apple computers and some have had issues, but never out of the box, so your situation is very unusual.

Mar 19, 2019 2:43 PM in response to DPJ

On the two main threads I follow (one of them having 1300+ posts) there are many people who've replaced their machine 2 or 3 times, and discover the same issue on the replacements. (Many reporting discovering it the same week they replaced it). If the issue was uncommon, the odds of the same person getting 3 machines in a row with the same issue are insanely low.


How low? Apple sold 5.3 Million Macs between July and September 2018.

https://www.statista.com/statistics/263444/sales-of-apple-mac-computers-since-first-quarter-2006/

The odds of many people reporting this same experience are even lower. It does not appear to be 'only a few machines having the problem.' Even if you had the worst luck; (luck isn't real); in the world, if the issue were uncommon the odds are incredibly low that you would get 3 different machines with the same problem.


If anything it points to either user behaviors or software combinations that reveal the issue.

yes until Apple were to fix the issue at the software or firmware level, all macs may very well be susceptible to the issue.


Mar 21, 2019 4:42 PM in response to Alias98

March 21, 2019. Went to Apple Store, they did a diagnostic test and congratulated me that my 2018 MBP is healthy, LOL. Apparently, almost everyone (many) is/are having the same issue and there is no fix, I think the staffs could have just told us that instead of pretending they have never heard of the problem. Is there any MBP that doesn't have this problem? So, how does the warranty work? Do we keep exchanging for a new one until we find a "Good Apple"?

Mar 21, 2019 5:07 PM in response to happyzone

"Is there any MBP that doesn't have this problem?"


Well I have been told by a select member that I say it too much, but since you asked....I have a 2018 MBP and it's been rock solid. No issues with crackling sound. So yes, there are MBP's without this issue and I'm certain there are thousands more that are problem free.

Mar 22, 2019 1:42 PM in response to Alias98

I'll respond again with the recommendation I followed and that has 'cured' that buzzing, crackling sound completely on my new MacBook with theHigh Sierra MOS. Go to theUtilities folder in Application and open the Audio MIDI setup app. In that app, change the Format from 44,100 Hz to 48,000 Hz. Close out that app and restart. I listen uninterrupted for hours to streaming radio now.


Good luck!!

Mar 30, 2019 7:28 PM in response to coolstrike

I have a 13" MacBook Pro 2018, running High Sierra, and this issue is very painful. It's annoying to pay so much for a new laptop, and not be able to perform a simple task such as play music on it.


The issue can be fixed (temporarily), by killing the coreaudiod process through the ActivityManager. I found that once this process is killed, the crackling will then disappear for a few hours or so, until it returns.


The above fix is not ideal, but it's better than rebooting the Mac. I was nearly at the point of returning my Mac, wondering if my speakers were faulty. But once I discovered this, it seems proof that it's a software/OS issue that Apple need to address through an update.

Crackling sound on MacBook Pro 2018

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