The NADB15MF-B is a Neutrik chassis-mount extension for 3 pin XLR connectors. It is designed to improve the appearance of panels and provide strain relief for the XLR connector. It features a metal housing, a polyurethane grommet, and an O-ring to improve the seal. The NADB15MF-B is also suitable for use in applications where higher levels of shielding is required.