Is my MacBook's Internal Speaker Blown?
When I play a music or other sound and set the volume more than 3/4 of max volume, I hear disturbing rattle/cracking sound especially when playing music with great bass. Rattling sound most likely come from left side but when I drag left-right balance to full left or full right, Rattling sound gone. Someone can tell me what happen actually with my mac? Is it really blown or this is usual problem?
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