The cable package: four 2mm screw banana plugs and four 4mm banana plugs. The connector is made of pure copper with 24K gold plating process. It is wrapped with heat shrinkable sleeve, which has good anti-corrosion, anti-static, anti-skid and reinforcement functions. Suitable for: audio transmission and conversion of loudspeaker panel in home theater, 12awg cable is protected by silicone rubber, with good high and low temperature resistance, The connector adopts a welding process, which is durable and anti-noise which can effectively reduce signal loss. Set meal: 4 pack (2 red and 2 black)