This unit is an SR-22 VHF True Diversity Receiver system with a Shure SM-58 wireless microphone and power supply. It is brand new and in mint condition. What you see in the photos will be exactly what you receive: the Diversity receiver, the SM-58 wireless microphone, the power supply, and, as a bonus, an Electro Voice interchangeable head. $150.00.
Note: To change the microphone heads, you unscrew the Shure SM-58 microphone from the housing, then unplug the Shure head and plug in the EV head and screw it into the housing