Macbook Pro and Beolab3 random loud popping sound

I'm using Macbook Pro and Bang & Olufsen Beolab3 speakers (powered speakers) connect using headphone output but I hear random loud popping sound. Sometimes so loud that it made me jump. It is definitely not a program generated sound. It is more like some sort of electrical interference. This could happen both while an audio is being played or just on standby. The laptop is less than a month old.
The speakers are fine as I tested with other laptop. Is this normal for this combination? or there actually is a fault with my sound card? I need to know so I can do something about it while it is under warrantee. I was recommend to get a audio DAC. But I need to make sure that it is not a problem with the laptop first.
Thanks. Please help. Any suggestions?

Sounds like your Mac is all mucked up. Your recourse is an Apple store or Authorized Apple Service. You can also all AppleCare.

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Macbook Pro and Beolab3 random loud popping sound

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