Feature: 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. Specification: Item Type: Banana Plug Conductor Material: Brass Surface Treatment: Gold Plated Quantity: 4pcs Accommodates Maximum Wire Diameter: Approx. 7mm/0.3in Fixing Method: Can Be Screwed, Can Be Welded Scope of Application: Widely used in professional speaker equipment. Package List: 4 x Banana Plug