XLR ReceptaclesWallplates in single or dual styles with female or male NC3FD-L-1 or NC3MD-L-1 series receptacles. Three pin is standard, however, 4 -7 pins are available as special order -minimu(...)Audio XLR, Plugs, Jacks, Speakon®, Phono (RCA), RJ45, Patch Panels, PowerCon®, Fiber Optic Connection SystemsVideo