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Subwoofer facts for kids

Kids Encyclopedia Facts

Subwoofer is a type of loudspeaker that is designed to produce low frequencies, example 20 - 200 Hz. Usually subwoofers are quite big and heavy. Humans can not typically hear frequencies below 20 Hz. In some cases, with enough sound pressure, the listener will not hear the sound but will be able to feel it.

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Subwoofer Facts for Kids. Kiddle Encyclopedia.