RCA Plug to 4 Pin Mini DIN Plug Connector is suitable for audio-frequency [AF] applications. The Plug Connector is also used in radio-frequency [RF] systems at low and medium frequencies. RCA Plug to 4 Pin Mini DIN Plug Connector is manufactured by MDR Electronics, an ISO 9001: 2008 and ISO 14001:2008 recognised company. MDR Electronics manufactures a wide range of electronic accessories, Cables and Spare Parts for home theatre or audio systems, computers, laptops, gaming, camera, fibre optic and security & surveillance systems, under the brand name `MX`. The RCA Plug to 4 Pin Mini DIN Plug Connector is a plug and a jack designed for use with coaxial cable for frequencies ranging from the very lowest up to several megahertz.