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A cracking sound from your iMac’s speaker can interpreted in many ways. You might hear crackling, popping, or buzzing noises when playing audio, and it can be present even at low volumes.
The issue does not happen accordingly by Increasing the volume of the speaker. Increasing the volume may not increase the volume of the crackling, suggesting a speaker problem rather than a volume issue.
iMac Speaker Cracking noise might be noticeable even when the volume is turned down. Indicating a definite
This is the #1 symptom that most people will realise in the first place. Generally most cracking/buzzing sound from iMac is a result of speaker cracked.
This is obvious symptom. Touching the iMac gives you electrifying sensation, gives you the electric shock. Electrostatic clashes with sound waves creating cracking sound.

Apple Certified Technicians are well trained to handle all your Apple iMac Repairs Giving You Peace Of Mind
Use Of Certified Parts To Perform iMac Repair Gives Your Device A Prolong Life Span That You Intended To When You Bring The Device In For Repair
Power Supply Replacement Should Take No Longer than 3 Hours To Replace. Keeping you Ahead Of Your Schedule
We Are Transparent Towards Our Repair Procedures. All Repairs Are Conveyed Upfront Before Proceeding For Repair.
2010–2017 27″ iMacs: Bottom vents (left/right sides) 1.
2012–2024 24″ M-series iMacs: Behind the display assembly near the logic board
Yes, you can, but model-dependent:
G3/G4: DIY-friendly; use 1-inch 4Ω/4W speakers (e.g., JBL/harman replacements). No soldering needed.
2012+ Intel/M-series: Not recommended. Adhesive-sealed displays and integrated cables risk damage. Leave to certified techs.
iMac Speaker Replacement cost varies by model of the iMacs and depending on the difficulty to replace the iMac Speakers. Generally, below are the prices:-
If you can, do some self checks before bringing the big heavy iMac over just to save your some energy and time. Below are some preliminary troubleshooting steps to conduct yourself:-
Check System Settings > Sound > Output.
Test with headphones: If audio works, speakers are faulty.
Reset NVRAM (Intel iMacs): Cmd+Option+P+R on boot 8.
Inspect for debris: Blocked vents mute sound
If issue above still persists, you can head over to KissMyMac® Kuala Lumpur for iMac Speaker replacement or KissMyMac® Petaling Jaya for iMac Speaker Replacement.
Our professional technicians are here to ensure your iMac is running smoothly and efficiently.
We Accept All Payment Methods including Installment Plans (Coming Soon). Repair Now and Pay Later