The XSTO 1 S is a 2-pole straight black RCA Connector with bend protection and solder terminals. ABS insulating body, polyethylene housing, nickel-plated CuZn inner contact and nickel-plated steel outer contact. The plug is suitable for use with 1553 02, 4514, BTO, BTOR, KTO and XKTO RCA sockets. Designed according to the JEITA RC-5231 standards.