Features of this machine:
One-to-two U-segment wireless infrared frequency-linked wireless microphone, 200 frequency channels (100 left and right optional).
Lock screen function operation:
After shutting down, press and hold the left UP button to starting up. The display will be locked. Except for the power button, all buttons cannot be adjusted. Repeat the operation to unlock , and all buttons will be operable.
Highly sensitive operation for pickup:
Turn on the handheld microphone and hold down the power button to enter the sensitivity adjustment interface.1.2.3.4.5 level is optional. The larger the number, the higher the sensitivity. Press the button once to change one number. After adjusting to the selected number, let go and the display will flash for a few times and save. Then it can work normally. When adjusting, stay away from the speaker to avoid howling, , Normally adjusting the sensitivity to about 3-4 levels is enough. The pickup distance can reach about 50CM. Sensitivity settings are one-time and will need to be reset each time the microphone is turned on again. The sensitivity adjustment function can be used as a speech microphone or conference microphone during lectures or temporary meetings. Since it is a dynamic microphone, the effect will be better than that of a speech or conference microphone.
Receiver Specifications
Frequency Range: UHF640-690MHz
Frequency stability: ± 0.05%
Dynamic Range/Mobile State Range:>90dB
Modulation Mode: FM/PLL
Frequency Response: 50Hz to 15KHz
Signal to noise ratio/S/N Ratio: ≥ 90dB
Adjacent frequency interference ratio/F/N Ratio:>80dB
Mirror interference ratio/P/N Ratio:>80dB
Usage range/Service Areas: ≥ 80 meters Meters (Open space, ideal environment without interference)
Receiver Power Supply: DC 13.5V-15V
Handheld Microphone
Transmitter parameters/Specifications
Carrier Frequency: UHF640-690MHz
Frequency Stability: ± 0.01%
Maximum Deviation: ± 45KHz
Harmonic radiation:<-63dBm
S/N Ratio:>105dB
Dynamic Range: ≥ 100dB
Tone head/Odo: dynamic Condenser/dynamic (optional)
Frequency Response: 50Hz to 15KHz
Distortion:>0.5%
Power Supply: DC 3V AAA * 2
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