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Banana plugs are a type of electrical connector is commonly used in audio and electronic equipment. They have a cylindrical shape and a pointed tip, designed to fit into a matching receptacle (often called a banana jack). They are typically made of metal and plated with a layer of gold or other corrosion-resistant material to ensure a good electrical connection. They are easy to use, provide a secure connection, relatively inexpensive; and often used to connect speakers to an audio amplifier or receiver, as well as in laboratory equipment, test equipment and other applications where a secure and reliable connection is required.
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