The Pro Co Sound NC3MD-L-1 is a 3-pole male XLR connector designed for professional audio applications, featuring a D Series metal shell that provides durable panel mount capability. This connector includes a nickel finish housing and silver contacts, with solder cups for straightforward termination. It offers IP 40 protection class rating and is UL approved, ensuring compliance with industry standards. Manufactured by Neutrik, a brand known for high-quality audio connectors, this model features a universal metal body with RF shielding and is part of the DL Series, which supports 3 to 7 pin configurations and various plating options for contacts and housing.