MDR Electronics manufactures 4 Way RCA Sockets and 2 Way 4 Pin Mini DIN Socket Connectors. The 4 Way RCA Sockets and 2 Way 4 Pin Mini DIN Socket Connectors are suitable for audio-frequency [AF] applications. They are also used in radio-frequency [RF] systems at low and medium frequencies. The RCA connector is a plug and a jack designed for use with coaxial cable for frequencies ranging from the very lowest up to several megahertz. MDR Electronics is an ISO 9001:2008 and ISO 14001:2008 certified company. MDR Electronics is also into manufacturing of Audio/Video, Pro-Audio Cables, Connectors & Cords, Electronic & Computer/Laptop Accessories, Cable Organizers, Fiber Optic Series, and Cable TV Series, under the trade name MX.