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You should be asking how, but to answer YOUR question...

Because people made them to.

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14y ago

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Why does PA with microphone plugged in make high-pitched feedback?

Loudspeakers bring amplified noise, going to the microphones that are amplified to bring more noise from the loudspeakers, going to the microphones that are amplified to bring more noise from the loudspeakers, going to the microphones that are amplified to bring more noise from the loudspeakers, going to the microphones that are amplified to bring more noise from the loudspeakers...


Cheap way to make your exhaust louder?

Buy a exhaust with a larger circumference, the larger the circumference, the louder the noise.


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the wheel bearing on the vehicle will make a roaring noise when you accelerate the faster you go the louder it gets


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Microphones are connected to input devices that read the voltage from them and hence are not driven to make noise. If you connect a power source to a magnetic or crystal microphone you can get some noise but not much. The speaker is very small and not designed for produciing sound Many microphones are dynamic and use capacitance. Hence you can not drive them like a magnetic microphone. Note: you can use a speaker as a microphone.


Who can the saying actions speak louder than words apply to in literature?

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Exactly like a cricket. Except a grasshoppers noise is louder. I heard them before. I saw them in a baseball field. You know I love to play baseball. Grasshoppers make noise but we humans can yell louder than a chirp of a grasshopper. This is why a grasshoppers chirp is louder than a crickets. Because a grasshoppers voicebox is larger than a crickets. Easy to kill. We are big, and strong.


What sort of amplification does a harp have?

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