The use of dozens of wireless microphones at the same time due to live sound reinforcement events is nothing new in today'
The whole process of the wireless phone changing from sound to signal, then modulated into high-frequency radio waves, and th
The whole process of the wireless phone changing from sound to signal, then modulated into high-frequency radio waves, and th
4. LiteracyUsually, the wireless microphones used for singing are directional capsules, so stand on both sides or behind the