high quality INTERFERENCE FREE: the wireless microphone system comes with Ultra-High Frequency (UHF, 510-560 MHz) which is less likely subject to interference from other equipment compared with a VHF system. It has 200 selectable frequencies (100 frequencies each channel) and is compliant with the latest FCC regulationsAUTO-SCAN: the system comes with AUTO-SCAN function which automatically locates a clear channel to avoid frequency interference. Once an open frequency is located, turn on the transmitter (handheld or lavalier microphone) and set to the same frequency with the receiver. Even with multiple existing systems in use, this function ensures a consistent microphone signal with minimal dropout and noise interferenceFULL COMPATIBILITY, EASY TO SET UP: the receiver comes with both 1/4 mix out and XLR outputs for professional use. With two detachable antennas, independent volume controls and a large LCD display, this wireless microphone system can be easily set up with your powered PA speaker, soundbar, mixer, home receiver or amplifierSUPERB QUALITY: the built-in pop filter reduces potential popping sound and helps deliver consistent and superb sound quality. The 1U receiver in rugged metal housing stands heavy use and deliver optimal UHF performance. It has up to 200 feet line-of-sight operation range with stellar sound quality and is ideal for conferences, broadcasting, weddings, parties, karaoke, social events and any small to medium-sized venues such as meeting rooms, auditoriums, schools, churches and stages