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Where can I buy a Boeing square tweeter sound film?
Boeing square tweeter sound film is available in Alibaba, JD.COM Mall, Taobao and other places.
A talking movie is a movie played on a loudspeaker. In general speakers, for the convenience of assembly, dome membrane and voice coil are often bonded together to form an assembly, which is called sound membrane. The main materials are printed silk, silk, Teflon, aluminum, titanium and so on.
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