Introduce you to the relevant information of wireless microphones

The wireless microphone consists of several pocket transmitters and a centralized receiver. Each pocket transmitter has a different operating frequency. The centralized receiver can simultaneously receive voice signals of different working frequencies from various pocket transmitters, and is suitable for stage podiums and other occasions.

In actual use of a wireless microphone, you must first adjust the microphone input level on the transmitter to an appropriate position at the transmitter end according to the size of the microphone user's voice and the degree of concealment of the microphone head. Then adjust the output level at the receiver to ensure that the output signal-to-noise ratio reaches a good value.

When using multiple sets of wireless microphone systems of the same series, if possible, use an antenna splitter to greatly reduce the mutual interference between the antennas on the original receiver. Or keep the wireless microphone receiver annunciator at an appropriate horizontal distance. Make each receiving signal device have better receiving conditions, avoid mutual interference between frequencies, and obtain better wireless signals.

The major technical bottleneck of using wireless microphones is the signal interference problem, especially the more frequencies used, the more serious the interference problem. Therefore, when multiple wireless microphones are used at the same location at the same time, in addition to physical selection, interference should also be avoided. In addition to frequencies that do not interfere with each other and avoiding adjacent external signal interference, the receiver must also have excellent selectivity, and the emitted and received radiated harmonics must be filtered to a very clean level to avoid signal interference.

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