Features: Upgrades your sound setups with two binding post terminals cup featuring coppers conductors for superior signal claritys and reduced resonances in subwoofer boxes. This ABS terminals block combines 4mm thick baseplates with gold plateds spring cup connectors, for banana plugs and Y branch wiring configurations. for audiophiles and professional sound speaker component upgrades for home theaters or stage equipment. for mounting on rear speaker panel in car stereos systems, home theaters, or portable PA setups requiring, vibrations resistants connection. Achieve professional grade installations effortlessly using the standardized 50mm cutout with two screw terminals for simultaneous multiple device connectivitys. 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.