2025-03-03
One to two U-shaped wireless infrared frequency matching wireless microphone, with 200 frequency channels (100 optional on each side).
After shutting down, press and hold the UP button on the left to turn on the screen. The display screen will lock, and all buttons except for the power button cannot be adjusted. To unlock, repeat the operation and unlock the screen. All buttons can be operated.
Turn on the handheld microphone and hold down the power button to enter the sensitivity adjustment interface. 1.2.3.4.5 Adjustable, 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 screen flash a few times before saving, and it can be used normally. When adjusting, stay away from the speaker to avoid whistling. Normally, adjust the sensitivity to around 3-4, which is sufficient for use. The sound pickup distance can reach about 50cm. In order to prevent users from making mistakes and unable to adjust it back.
Receiver parameters/specifications
Carrier Frequency Range: UHF640-690MHz
Frequency Stability: ± 0.05%
Dynamic Range/Mobile State Range:> 90dB
Modulation Mode: FM/PLL
Frequency Response: 50Hz-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: Meters ≥ 80 meters (ideal environment without interference in open areas)
Receiver Power Supply: DC 13.5V-15V
Transmitter parameters/specifications
Carrier Frequency: UHF640-690MHz
Frequency Stability: ± 0.01%
Maximum Deviation/Maximum Deviation: ± 45KHz
Harmonic radiation:<- 63dBm
Signal to Noise Ratio (S/N Ratio):>105dB
Dynamic Range: ≥ 100dB
Sound head/Ondo: dynamic coil condenser/dynamic (optional)
Frequency Response: 50Hz-15KHz
Distortion:>0.5%
Power Supply: DC 3V AAA * 2
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