2 Channels Stage Ear Headset Wireless UHF Microphone Systems

2 channels stage ear headset wireless UHF microphone  systemsParameterFrequency range:UHF600-699MHzModulation type:Broad FMAdjusted Range:25MHzChannels:2x50Channel spacing:500KHz   Frequency stability:within ±0.005%Dynamic range:100dBMax offset frequency±45KHzAudio response:80Hz-18KHz(±3dB)Total S/N:>105dBTotal distortion:≤0.5%Working temperature:-10ºC ~ 50ºC  Receiver Receive mode:double-conversion super hetero-dyneMedium Frequency:First:110MHz,Second:10.7MHzWireless interface:BNC/50Sensitivity:12dBµV(80dBS/N)Sensitivity range:12-32dBµVSpurious suppression:≥75dBMax out level:DC12VPower supply type:external      /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1