Cardas' top of the line RCA plug and the OEM connector of choice for many high-end cable companies. The Ultimate RCA plug, the SRCA is, is made from non-magnetic, eutectic Brass, Rhodium over Silver plate. Brass cover, Gold plate and spring loaded tip. 9.5mm cable opening. Like all Cardas RCAs, the two piece SRCA is fast and easy to terminate.