*2 channels. Fixed frequency.
*8 controllers can used simultaneously.
*Front panel ：Red RF lamp — indicate the signal level, Green AF lamp — indicate audio level.
*Back panel ：2 pull rod antennas for signal receiving.
*Back-panel ：2 balanced output and 1 mixed unbalanced output.
*Microphone power consumption is 30mA. With AA 1.5V*2 battery power supply, work constantly for 8 hours.
*Light ring on the microphone head will display working status.
*Working distance: 30-70meter.
*It's suitable for various kinds of conference and performance occasion.