Digital Wireless PA/DJ Microphone and Transceiver System. 

Set with two transmitters and two receivers. For use with mixers/active boxes and dynamic microphones. Stereo/dual mono/1 transmitter to 2 receiver operation allows use in a variety of applications. It works without battery or power supply. Built-in rechargeable lithium battery. Range (unobstructed) up to 27.5 m (90 ft). Frequency response: 20 Hz – 20 kHz. Latency: < 5ms. 6 switchable channels. 24 bit / 48 kHz A/D converter. 2.4 GHz ISM global operating band. 110 dB dynamic range. Signal/noise ratio of 110 dB. Runs up to 5 hours per battery charge. Power button on the transmitter. Power switch on the receiver. ‘Mic/Line’ button on the transmitter, allowing the transmitter to be used to transmit line signals for DJ and PA applications and to transmit microphone signals. Channel selection button. Durable ABS composite housing. Includes USB Type A to USB Micro B Y charging cable, Micro B USB charging port.