UHF Band Receiver SystemFeatures:Quad UHF 4-Channel Design (Channel 1, 2, 3, 4)Addressable UHFBroad UHF Response Range & Low DistortionHigh Signal/Noise Ratio PerformanceRF Signal & AF Signal LED IndicatorsRadio UHF and Audio UHF1 XLR Output Connector Jacks (as only one receiver)Independent Channel Adjustable UHF ControlsRack-Mountable SystemWhat's in the Box:(4) Wireless Microphone(8) 'AA' Battery(1) USB to Micro USB Charging Cable(4) Plastic Microphone Anti-Drop Rubber Ring(4) Microphone Sponge(1) Microphone Receiver(1) 3.5mm Jack Audio Input Connector(1) 18650mA Battery(1) Plastic Case TransmitterTechnical Specs:Number of Channels: 16Oscillation Mode: DSP Chip UHF LockStability: ±10ppmRF Power: 10dBmDistortion Degree: <0.5%Receiver Technical Specs:Use LCD Screen DisplayOscillation Mode: DSP Chip UHF LockStability: ±10ppmReceiving Sensitivity: -95-72 dBmDistortion Degree: 90dBAudio Output: 300mv (Maximum)Experience the exceptional performance and versatility of the UHF Band Receiver System, equipped with advanced features for an immersive audio experience.