BKR KX-3924 Wireless Microphone 4 Channel

Specifications:

Channel number: 4 (Adjustable)
LCD screens show working status
IR automatic. Totally 400 frequency
Microphone Can Work Constantly For 5 Hours
Working distance: Upto 70 meter
Oscillation Mode: PLL synthesized
Modulation Mode: FM
Frequency Range: UHF 600-699MHz
Frequency Stability: +0.001%
Max Deviation Range: +50KHz
S/N Ratio: >105dB
T.H.D: <0.5%@1KHz
Sensitivity: 1.2/UV@S/N=12dB
Power Supply: DC 12-17V
Audio Output: Independent: 0-400mV
Mixed: 0-300mV