The XVive U4 In-Ear Monitor Wireless System utilizes digital wireless technology, providing incredible audio quality, easy setup with plug-and-play usage, and high reliability for all aspiring musicians who frequently perform live. The system offers a full frequency range of 20 Hz to 20 kHz with a 107 dB signal-to-noise ratio, ensuring a clear, detailed signal at any volume level. The wireless system operates in the 2.4 GHz ISM band for crystal-clear transmission, maintaining signal integrity on stage and covering a range of over 27 meters without signal dropouts. The lithium-ion batteries make the U4 system environmentally friendly and last up to 5 hours on a single charge. The chassis is made of metal and durable, lightweight ABS plastic, capable of withstanding the rigors of touring and even the harshest weather conditions. The U4 Wireless In-Ear Monitor System is designed to eliminate the complexity and frustration associated with traditional wireless in-ear monitor systems. Additionally, multiple receivers can be operated with one transmitter, with a total of six selectable channels available.