4 pole male receptacle, solder cups, black metal housing, silver contacts. Universal D-size metal body XLR panel mount series. UL recognized component. Use these connectors to build your own intercom extension panel. You can also make intercom extension cables cables using Canare MR202-2AT Cable and 4 Pin XLR Neutrik Connectors. With these connectors and the Canare MR202-2AT you can build a true stereo balanced (audio) headphone/headset extension patch panel or extension cables that are designed to work with most intercom systems. Telex - Clearcom - Anchor - Motorola + many more!