1、EASY INSTALLATION: The speaker connectors has self crimping teeth for easy installation, and the open screw makes the wire connection secure, just install and use it. 2、SAFE DESIGN: Standard size solderless technology, this banana plug fits most speakers, wider base minimizes short circuits for maximum signal transmission. 3、GOLD PLATED PLUGS: Speaker banana plugs feature gold plated brass and crimp tines for corrosion protection, ensuring clear sound and high quality sound. 4、MULTIPURPOSE: Accepts up to 7mm wire diameter, secure, positive contact binding posts, suitable for AV equipment such as receivers, amplifiers, surround sound systems, banana wall panels, etc. 5、UPGRADED USE: BFA banana plugs are used to connect speaker wires, providing clear sound for home theater and other sound systems, and speaker wire installation is easier.