1.UHF infrared on the frequency with four channel wireless microphone,pure aluminum coloring process.
2.easy to operating,perfect sound.
4.High sensitivity, make your speech easily fidelity reproduction
Technical parameters: FrequencyRange:500MH-600MH(We can change for you) (Please tell us your frequency when you buy.otherwise we will send you random.We hope you can understand.Thank you!) Aueio response:40Hz-20KHz Modulation:BroadbandFM Adjustable range:50MHz Channel spacing:500KHz Receiver size:420mm*145mm*45mm Maximum frequency deviation:45KHz distance:about 50 Meteres (over 165ft) Receiver technical data: Voltage:AC110~240V/50-60Hz Antenna:BNC/520ohm power consumption:5W