MX 4 mm Banana Beryllium Copper Plugs Speaker Cable Connector(10 Red+10 Black ) Wire connector Wire Connector  (Black, Red, Pack of 20)

MX 4 mm banana plug connector is a single-wire electrical connector used for joining wires to electronic equipment. MX banana plugs are frequently used to terminate patch cords for electronic test equipment. MX banana plugs are also used as the plugs on the cables connecting the amplifier to the loudspeakers in a hi-fi sound system. Plug has one or more lengthwise springs that bulge outwards slightly. It presses against the sides of the socket, improving the electrical contact and preventing the pin from falling out.