4 channels.Digital UHF adjustable frequency.
IR automatic. totally 400(4*100) frequency.Stepping up/down by 0.25MHz.
Every microphone can use in every channel.
10 controllers can used simultaneously.
LCD screens(black background and write word) show working status on the receiver and emitter.
There are 2 balanced output and 1 mixed unbalanced output,2 rubber antennas.
Consumption is 80mA. AA 1.5V*2 battery power supply,support 8 hours.
Light ring(write color light blue) on the microphone head will display working status.
Working distance: 50‐80 meter
It's suitable for various kinds of conference and performance occasion.