hand made Carefully made by professionals，The connector cable consists of (4 plugs and 4 banana 4mm female seats). The connector is made of pure copper and adopts 24K gold plating process.Suitable for: audio transmission and conversion of loudspeaker panel in home theater, 12awg OFC cooper cable， is made of silicone rubber protection, which has good high / low temperature resistance and can effectively reduce signal loss. Cable length is about 3 inches