Generic True Diversity 4 Channel Stage Microphone Headset Wireless for Professional Theatre Singing Stage Performance 4 Beltpack 4 Cardioid Condenser Headworn Mics, Long Range 490ft, Auto Scan, Black

True Diversity 4 Channel Stage Microphone Headset Wireless for Professional Theatre Singing Stage Performance 4 Beltpack 4 Cardioid Condenser Headworn Mics, Long Range 490ft, Auto Scan Perfect for professional use at any high end performance events: big stage, concert, Karaoke, sound source recording and amplifying, vocal concerts, live-performances, conference, musical and opera, church, school, hall, family, party, etc... Features Backlit LCD display showing RF level, AF level, Channel Frequency and mute status. 100 Selectable frequencies on each channel, up to 20 units can be used simultaneously Built-In Tone Lock Squelch circuit protection from RF interference Automatic frequency scanning to find and set the best available channel Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize Four channel receiver, Both microphones can be used at the same time Four XLR individual outputs and one 1/4" Mixed output Individual volume control on each channel Frequency Response: 45Hz~18KHz Battery Life: 12 Hours ( AA batteries ) Range: Up to 490 feet ( 150 meters )