ELI5: Explain Like I'm 5

Rotary woofer

A rotary woofer is a special kind of speaker that makes really low, rumbling sounds. Imagine you’re sitting in a car and you feel the bass so strongly that it’s like there’s a giant drum in the car with you – that’s what a rotary woofer does.

Normal speakers work by having a cone that moves back and forth really fast to make sound. A rotary woofer is different because it has a big flat disk that spins around really fast. This disk has specially shaped slots in it that let air get forced out in a specific way. This air makes super low-frequency sound waves that you can feel more than hear.

So when you listen to music with a rotary woofer, you might not be able to hear all the sounds, but you’ll definitely feel the bass. It’s like having a mini earthquake right in your living room!
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