Features: Effortlessly and secure your sound setup with these 4mm banana plugs, featuring nickel plated construction for optimal conductivity and oxidation resistance. Insulated sleeves prevent short circuits while reinforced strain relief collars withstand frequent plugging/unplugging in demanding setups. Designed for audiophiles, enthusiasts, and professional sound technicians requiring consistent lecturer connectors for high execution systems. Seamlessly integrate with home theaters, studio monitors, amplifiers, and test equipment through standardized 4mm compatibility across sound cables. strong yet accuracy engineered, these sound accessories maintain indication integrity through thousands of secure affiliations in humid or throb prone environments. Specifications: Substance: Nickel plated. Size: 16x11x11mm. Weight: 60g. Color: black, red. Usage scenario: [Home sound setup] integrated the sound equipment and the amplifier to improve the sound quality experience. [Professional sound Equipment]Used in recording studios or live performances to assure stable indication transmission. [handbuilt Electronic Project] Suitable for electronic enthusiasts to build sound systems or test circuits by themselves. [Experiment and Teaching]It is used in physical or electronic experiments to provide a safe and consistent connection approaches. Package Includes: 20 4MM Banana Socket note: Please allow 1cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.