One host + two wireless microphones
Features:
- Use the UHF 640-690MHz band to avoid interference frequencies;
- Flexible and easy to operate;
- Automatic infrared frequency, so that the transmitter and the receiver automatically synchronize to send and receive;
- 200 channels with PLL frequency synthesis stabilization system;
- The latest high frequency filter is used to filter out out-of-band interference signals to the maximum extent.
- High frequency circuit design with secondary frequency conversion, with extremely high sensitivity;
- Multiple squelch control circuit to reject external interference;
- Specially designed voice compression and expansion circuit greatly improves the signal-to-noise ratio.
- Unique circuit design, large dynamic, wide frequency response, low noise;
- Stylish large screen design, built-in 60 sets of frequency modules, simplify the user's FM program;
Technical parameters:
|
System indicators |
|
|
Frequency range |
UHF 640-690MHz |
|
Modulation mode |
Broadband FM |
|
Adjustable range |
50MHz |
|
Number of channels |
2×100 |
|
Channel spacing |
250KHz |
|
Frequency stability |
Within ± 0.005% |
|
Dynamic range |
100dB |
|
Maximum frequency deviation |
±45KHz |
|
Frequency response |
80Hz-18Khz |
|
Integrated signal to noise ratio |
>105dB |
|
Integrated distortion |
≤0.5% |
|
Operating temperature |
-10℃～50℃ |
|
Working distance |
≤ 100m |
|
Receiver index |
|
|
Receiver mode |
Double frequency conversion superheterodyne |
|
Intermediate frequency |
110MHz,10.7MHz |
|
Sensitivity |
BNC/50Ω |
|
Wireless interface |
12dB μV(80dBS/N) |
|
Sensitivity adjustment range |
12-32dB μV |
|
Discrete suppression |
≥75dB |
|
Maximum output level |
+10dBV |
|
Power supply mode |
DC 12-18V 500mV input |
|
Antenna |
Built-in spiral antenna for handheld microphone, 1/4 wavelength whip antenna for on-hook |
|
Output Power |
High power 30 mW, low power 3mW |
|
Sound head |
Dynamic microphone |
|
Condenser (lavalier mic, Headset) |
|
|
Discrete suppression |
≥60dB |
|
Power supply |
2 No.5 1.5V batteries |
|
Duration of use |
Approximately 10 hours for 30 mW and 15 hours for 3 mW |
|
Characteristics of sound quality |
The intermediate frequency is rich, the singing is relaxed, the voice has the magnetic sex appeal and the hoodlum thick feeling, belongs to the human voice microphone to hold the essence |
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