Pro Wireless Microphone System 4 Channel, UHF Metal Cordless Handheld Mics with
With this pickup pattern, the directional vocals are easy to isolate from background noise. If multiple systems are being used, increase the frequency separation between systems. The ZERFUN MU-898 Wireless Microphone System can support up to 200 feet range, 50 compatible frequencies on each channel(4 X 50) for interference-free reception.