Overview A binding post (banana socket) is a widely used connector commonly used to make electrical connections in audio and electronic test equipment, such as connecting amplifiers, speakers, and other audio or test equipment. A binding post (banana socket) is also used on electronic test equipment to attach a single wire or Test leads. Because the binding posts (banana socket) can accept various connectors, such as bare wire, spade connectors, and banana plugs, it can be used in a wide range of settings and applications. The advantage of binding posts (banana socket) is their durability, they are more resistant to wear and tear and has a longer lifespan. BNC male to two 4mm binding post (banana socket). To convert BNC female cable, component or equipment to double binding post (banana socket) to connect to test instruments. Specifications ·Type : Binding post adapter ·Adapter end 1: BNC male ·Adapter end 2: Dual binding post ·Current rating: 3A Max. ·Diameter: 4mm ·Impedance: 50Ω ·Temperature: 0°C to 50°C ·For use with: Test equipments ·Length: 60.3 mm ·Color: Red and black Materials ·BNC male: Brass, nickel plated ·BNC center contact: Brass, gold plated ·BNC insulator: Delrin ·Body: PE, black ·Binding posts: Brass, nickel plated ·Knob: Nylon, black & red