Comica BoomX-U QUA 4 Channels UHF Wireless Lavalier Microphone System for Camera Mobile Phone Video Recording Shooting I

Specification Transmitter TX AntennaPCB AntennaPolar PatternOmnidirectionalFrequency Response80Hz 20kHzSound Pressure Level100dBSignal Noise75dBEquivalent Noise19dBASound Delay20msExternal Mic Input Interface3 5mm TRSBatteryLi ion Battery 700mAh 3 7VBattery Life6 5 HoursNet Weight45gDimension49x 22x 66mmOperating Temperature0℃ 50℃Storage Temperature 20℃ 60℃Receiver RX AntennaPCB AntennaReceiving Sensitivity 90dBmSignal Noise75dBEquivalent Noise19dBASound Delay20msExternal Mic Input Interface3 5mm TRS 2Monitor Interface3 5mm TRS TRRSBatteryLi ion Battery 1400mAh 3 7VBattery Life6 5 HoursNet Weight90gDimension65x 17x 82mmOperating Temperature0℃ 50℃Storage Temperature 20℃ 60℃ParametersTransmitter TX Channel Number24 x 4Carrier Frequency of Group A568 125MHz 573 875MHzCarrier Frequency of Group B580 125MHz 585 875MHzCarrier Frequency of Group C574 125MHz 579 875MHzCarrier Frequency of Group D586 125MHz 591 875MHzTransmitting Power15dBmReceiver RX Channel Number24 x 4Carrier Frequency of Group A568 125MHz 573 875MHzCarrier Frequency of Group B580 125MHz 585 875MHzCarrier Frequency of Group C574 125MHz 579 875MHzCarrier Frequency of Group D586 125MHz 591 875MHz Features 4 group UHF Wireless Microphone Broadcast Level24 Channels Support Multi receiver MonitoringShooting180°Foldable Antenna 120m Super long Transmission DistanceSupport 4 Audio Tracks Mixing and Individual OutputSupport Charging While in Use Battery Life Up to 6 5 HoursInternal and External Two Input