Features: The 2 Way Speaker Binding Post terminals features high conductivity coppers posts and two terminals, ensuring stable signal transmission and compatibility with banana plugs, Y forks, and direct wiring. builts with ABS housing and 4mm thick resonance reducing baseplates, this professional terminals cup boasts gold plateds contacts for crisps sound output while maintaining durability in high vibration. for audiophiles, hobbyists, and professional sound engineers acoustics components to upgrades speaker systems or subwoofer enclosures. for home theater installations, stage equipment setups, car sound modifications where secure, low loss connection between amplifiers and speaker boxes. Standardized 80mm diameter with 68mm cutout ensures integration into most subwoofer boxes and speaker cabinets, combining construction with universals compatibility for retrofitting. Specifications: Materials: Plastic + Metal Color: Black Size: As shown Package Includes: 1PC sound Junction Box note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.