Macbook Air 2020 M1 - Speakers Crackling

Hi RohitDman,

welcome to the Apple (user-to-=user) Community.

Re: "Macbook Air 2020 M1 - Speakers Crackling" :

"I'm unsure why this is happening".

You might want to make sure there is nothing blocking the speaker outlets, eg: clean, no covering, or obstructions. 

Apple Support articles that may help: 

You might want to check these settings are ok:

If you can’t hear sound from your Mac speakers – Apple Support

Change the sound output settings on Mac – Apple Support 

Adjust the sound quality in Music on Mac – Apple Support

If your AirPods Pro make crackling or static sounds - Apple Support

Discussion thread (on creaking cracking sound on Mac): 

Try this, worked for me - Apple Community

Or

If you are streaming the audio:

Resolve Wi-Fi and Bluetooth issues caused by wireless interference - Apple Support

Hope there is something useful here, towards finding the source of the "crackles".

Else: A new Mac would be under warranty:

You can enter the serial number (eg from the receipt)

in the webpage below to see what info is available:

Check Your Service and Support Coverage - Apple Support

One stop for technical support, Apple hardware service, and software support.  

Call Apple Support at 1-800-APLCARE (or use the app)

AppleCare Products - Apple

All the best :-)

Wondering if you are able to take the Mac and headphones in to an Apple Store : Apple Store - Find a Store - Apple

If so:

You could make a Genius Bar reservation, and get help from the experts: Genius Bar Reservation and Apple Support Options - Apple