2. Check the receiving part.
3. Set the microphone volume control knobs respectively.
All the above are normal, which means that a microphone is damaged.
A wireless microphone consists of a pocket transmitter (which can be put into a pocket and has an output power of about 0.0 1W) and a centralized receiver.
Each pocket transmitter has a different working frequency, and the centralized receiver can simultaneously receive voice signals with different working frequencies from each pocket transmitter. Suitable for stage platforms and other occasions.