[ELI5] why does covering the top speakers in airpods remove all bass?

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when you cover the speakers that look like slits on airpods, the song quality changes. why?

In: Technology

Because you are causing interference from the port where the short wave frequencies resonate and cause a loss of pressure. Look into wavefronts and what they are.

Sound is vibration. In this case it’s the surrounding air you breath vibrating. Deeper sounds, like bass noise, move and vibrate larger chunks of air. It’s a deeper noise but because of that, like any larger mass, it takes more energy to keep going and it’s easier to prevent. Your hand is blocking it from moving the amount of air it needs to create the deep noise you hear. Higher pitched noises vibrate much faster and use small chunks of air so you can still hear it.