True diversity receiving wireless microphone system: Due to the physical phenomenon of "dead point" in the radio wave, the sound output of the receiver will be intermittent or unstable. In order to solve this defect, the professional model must adopt the "Automatic switching diversity receiving" mode of dual antennas and dual tuners to improve.
B. Non diversity receiving wireless system: because the circuit design of the above models is complex and precise, the assembly is difficult, and the cost is high, the low price models do not adopt the design of automatic signal selection, so it is impossible to eliminate the disadvantage of voice interruption caused by wireless microphones in use. This model certainly does not meet the basic requirements for professional use.