... be use anywhere. Product model:KS568 -AAdvantages of infrared wireless product: 1. Avoid electromagnetic wave interference, there ... hang mic etc. Function:1. Set the host,infrared receiver, amplifier, speakers as a whole,this ... 50HzReception sensitivily85dBSignal-to-noise>80dBIR Receive Frequency2MHz (encrypted)Infrared Ray Wavelength850nmWired microphone interfaceone Φ6.35mm phone jack Assembles ...