4 Channel Wireless Microphone Mic System UHFDual Handheld Karaoke

Features 4 channels can work without interference at the same time Individual Volume Control on each Channel Perfect operation status indicater 4 Receiver Antennas Broad frequency response range low distortion ReceiverOscillation mode quartz crystal oscillationAudio output level 0 3mVAudio output impedance 600Artifact and harmonic suppression 85dBWorking power supply AC12V 15V 200mAMicrophoneOscillation mode quartz crystal oscillationFrequency stability 10ppmMaximum modulation 50KHzMaximum output power 30mWMaximum input sound pressure 130dB SPLHarmonic radiation 55dBcComprehensive indicatorFrequency range 220 270MHz 720 780MHz Frequency response range 40Hz 20KHzFrequency stability 10ppmModulation method FMAudio response 40 16000HzDynamic range 105dBComprehensive distortion 0 5 Audio processing method dynamic compression and expansion technologyStable operation 0C 50C Package Included 1 x 4 Channel Receiver4 x Handheld Microphones2 x Power Adapter4 x Anti slip Ring1 x User Manual1 x Receiving Line