The SubZero Wireless In Ear Monitor System is ideal for musicians presenters and performers who need reliable high-quality sound monitoring on stage. Whether youre a vocalist in a band a live show host or youre performing to a backing track the SubZero wireless IEM system ensures you can hear exactly what you need to hear whilst remaining free of wires. With six adjustable channels running on license-free frequencies between 863.1 - 864.9 MHz this system ensures a clear interference-free signal wherever you are. The high contrast screens on both the transmitter and receiver make checking your vital information straightforward - even in low-light scenarios. High and low power settings on the unit offer a range of up to 60 metres and the intuitive infrared pairing system offers quick and easy setup.