The NC4MPR-HD is a 4-pole Male XLR Chassis Connector for outdoor use, with latch locking device and silver over nickel plated brass contacts. It has polyamide insert, nickel-plated zinc die-cast shell and steel Ck67 locking element. This MPR-HD series panel mount connector is heavy duty sealed, dust and water ingress sealing to IP65 rating is achieved by using HD cable connector, can be used perfectly for outdoor and weatherproof applications.