The sound can stop working on your MacBook at any time for a variety of causes. Because it has so many possible causes, it's hard to pin down exactly when your MacBook can lose audio, but this article ...

As laptop speakers go, those built into Apple’s MacBooks aren’t bad — particularly if you have a MacBook Pro. But they can be so much better. Plug Twelve South’s BassJump 2 into one of your USB ports ...