YAHAMA es series OK-06 microphone system. 80*2 selectable UHF frequencies channel, it can avoid 99% interference and Up to 15 Receivers & 30 Mics can be work at same time.
Good and clean sound, it is very suit for professional singer and professional stage. It is better that many wired microphones.
PLL (Phase Lock Loop frequency) design ensures transmission reliability, "Noise Lock" squelch effectively blocks stray RF. It guarantees the transport of signals and greatly reduces the dead zone of the signal.
Automatic frequency scanning to find and set the best available channel.Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize.
Range: up to 450 Feet (150 meters) ,It is perfect for singer and stage. Also ideal for church, DJ KJ stage, birthday wedding or family party, conference, classrooms, karaoke night etc.