Professional 4 Channel 4 Cordless Handheld Mic UHF Wireless Microphone System Karaoke AU

Features Metal UHF wireless microphone system LED display signal stabilityKaraoke Microphone 4 Channel Receiver with 4 handheld Microphones also 4 channels can work without interference at the same timeUsing quartz oscillation circuit high frequency stabilityThe audio compression extension technology greatly reduce noise dynamic rangeReceiver using multilevel high frequency amplifier has a very high degree of sensitivityNoise level locking double mute control noninterference more machine used at the same timeHas a balance and imbalance way audio outputWide frequency response range low distortion Specifications Product Name UHF wireless microphone systemMaterial metalSize 42cm x 21cm x 4 5cm 16 5 x 8 3 x 1 8inch for UHF diversity receiver 25 5cm x 5cm 10 x 2inch for single microphone Comprehensive ParemetersRF carrier frequency range 500 800 MHz the depends on the technical specifications of the system Use Distance 50 150 meters in an open areaRF stability 0 005 10C 50C Offset 40KHz with companding and automatic volum limit circuitS N RATIO 100dbDistortion 0 5 weighting 1KHzFrequency response range 50Hz 18KHz 3dB Receiver Parameters Receiving mode non diversityreceiving automaticswitching diversityreceiving Oscillation mode quartz controlSensitivity entering 6dBmvs 8OdB whenthe offsetisequalto 40KHZHarmonic interference ratio 80dBlmage interference ratio 70dB Handheld MicrophoneHandheld RF stability 0 005 10C 50C RF output power 19mWOsci