The WX1600 is a UHF wireless cardioid dynamic handheld microphone system with a broad frequency response. It includes a handheld transmitter and a metal chassis desktop receiver with XLR and ¼ in. outputs. Two AA batteries provide up to 15 hours of operating time, and soft-touch buttons for on/off and mute. The kit includes rack ears for the chassis if you want to mount it in a road rack.