What is the speaker and what does it do?
To translate an electronic signal into an aquatic sound, the speaker contains an electrical signal: a metallic signal that makes a magnetic field when translating an electronic signal into an aquatic sound of the power, the speaker is an electrical signal Contains: A metal coil that makes a magnetic field when the current source of electricity flows.
... Within a speaker, an electric magnet is placed in front of a permanent magnet.
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