Product Name: Professional UHF Microphone with 2channels 2mics Model NO.: CS-10UL-B Output Impedance: 50-1000? Wireless Technology: UHF Connector(s): XLR 3 Pin Sound Field Force: Combined Type Transducer Principle: Electrodynamic Microphone Sound Channel: Stereo Directivity: Uni-direction Signal Transmission: Wireless Application: Music, Voice, Recording, Meeting, Measurement, Amplify Style: Headset Microphone Frequence Range: 700-820MHz Channel: 2 Modulation Model: FM Band Width: <200kHz Frequence Response: 60-14500Hz T.H.D: <0.5% S/N: >90dB Operating Areas: 100m(Under Ideal Circumstances) Oscillation Model: Crystal Oscillator Output: 1xxlr Balanced Output;1X1/4" Mixing Unbalanced Trademark: OEM Transport Package: Cartons Specification: ROHS Origin: Made in China HS Code: 8518100090 Product Description Professional Wireless Microphone (UHF)2 channels can be with 3 options: 1)with 2 microphones 2) wtih 2 collar microphones 3)with 1microphone,1 collar microphone.System technology:Frequency range:700-820MHz2 channelsBand Width:<200KHzFrequency Response:60-14500HzDynamic range:>100dbT.H.D:<0.5%S/N:>90dBOperating temperature:-10C-50CTransmitterPower output:30mWOscillation model:crystal oscillatorModulation model:FMModulation current:=<75KHzOperating voltage:DC 3V(2XAA)ReceiverSensitivity:2.0u VOscillation model:crystal oscillatorS/N:>90dBDistortion:<0.5%Output: 1x XLR balanced output / 1x1/4" mixing unbalanced ouputOutput voltage:DC12V