The product is allocated as a four-channel manual adjustable multi-channel wireless conference microphone with 128 frequency points. The product adopts UHF PLL phase locking technology with less noise interference, with each frequency point increasing by 500KHZ. Perfect anti-interference characteristics, any similar system can not match. All metal standard cabinet, 1U metal panel are equipped with four-channel receiver, LCD display screen is installed, working channel and working frequency respectively. Fully and quickly understand all action information of the receiver. Use electronic key control panel operation. All aluminum alloy knob more professional and high-grade. The main engine provides four-way balanced audio output socket, and mixed unbalanced output, fully adapted to various connection requirements.