The EDX Series is a dual-channel wireless system that features two internal antennas (1 for each receiver), 16 selectable channels on each receiver and IR Sync from receiver to transmitter. The EDX has two discreet male XLR outputs and 1 combined 1/4" output on the back of the unit. The output is controlled by a volume control for each receiver, located on the front of the unit. 

It is available in two frequency bands, labeled CODE D and CODE N: