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Precision in Every Connection

QSNTech's Single Banana Uninsulated Plug is a staple in electrical connectivity, designed for audio, laboratory, and educational applications. Offering optimal conductivity, versatile use, and precision engineering, it's the preferred choice for professionals seeking reliable electrical connections.
NEW ITEM NO.: 28.710 Uninsulated Banana Plug High Quality Single Plug
QSNTech presents the Single Banana Uninsulated Plug, a vital component designed to meet the high standards of connectivity in various electrical applications. This plug is crafted for professionals in the fields of electronics, audio-visual systems, laboratory testing, and educational settings, offering superior reliability and ease of use.
This 4mm banana plug is compatible with standard 4mm banana sockets widely used in laboratory instruments, test equipment, and electrical measurement systems. Both 3mm and 4mm versions are available depending on equipment requirements.
4mm banana plugs are widely used in electrical testing, laboratory equipment, and professional cable assemblies.


Body material | Brass |
|
Spring material |
Beryllium Copper |
|
Surface coating |
Nickel plated |
Some product images on this page currently show the traditional leaf spring type structure.
The current production version has been upgraded to the lantern spring type design.
Compared with the leaf spring structure, the lantern spring design provides more stable contact pressure, improved insertion reliability, and longer service life, making it suitable for professional testing and electronic connection applications.
Please feel free to contact us if you would like to receive the latest product photos or confirm current production specifications.
A1: Uninsulated banana plugs offer easy installation and are ideal for applications where customized external insulation is used or not needed, providing flexibility in various settings.
A2: Yes, it’s high conductivity and precision design make it perfect for connecting audio equipment, ensuring high-quality sound transmission.
A3: Absolutely, its reliability and ease of use make it suitable for educational laboratories where secure and precise connections are essential.
A4: While the plug is uninsulated, it’s designed to be safely used in controlled environments, adhering to industry safety standards.
A5: QSNTech plugs are made with high-quality materials and designed for secure connections, making them reliable for professional and technical applications.
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