Xvive U3 2.4 GHz Digital Wireless Microphone SystemTurn your dynamic microphone into wireless with the U3 2. 4 GHz Digital Wireless Microphone System from Xvive Audio. It features a 2. 4 GHz wireless band, 20 Hz to 20 kHz frequency response, and less than 5 ms latency. The system works up to a 90' range, and includes two rechargeable batteries with a five hour life for both receiver and transmitter units. The transmitter plugs into a dynamic microphone or into DI or XLR output gear, and the receiver