This 4-channel housing accommodates wireless receiver and transmitter modules from the MOM and DAD series. It provides four insert slots, balanced 3-pin XLR output for each channel, two 3.5 mm AUX inputs for channels 3 and 4, a master output via 6.3 mm jack, and dual BNC antenna connections. The rugged metal housing supports the WMT/R-2M wireless system and is designed for 19-inch rack installation. Power is supplied via 100–240 V AC or 12 V DC.