Switchcraft EN3 Audio Connectors are specially designed for harsh environments, meeting enclosure rating IP66/IP68 and NEMA 250 when mated or covered. These connectors are feature an integral O-Ring/gasket and 2-18 pins/sockets in the same housing size. Switchcraft EN3® Connectors come in a variety of options, including right angle, quick disconnect, and straight with and without strain relief. Applications include marine,medical, food service, transportation, GPS, general electronics.