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![Loudspeaker - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_27.jpeg)
Loudspeaker - Wikipedia, the free encyclopedia
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日期:2024-07-10
A loudspeaker (or "speaker", or in the early days of radio "loud-speaker") is an electroacoustic transducer that produces sound in response to an electrical audio signal input....看更多