Disclosed are a randomly addressing adaptive frequency-hopping wireless transmitter and the receiver thereof, which belong to short distance wireless communication audio-frequency transmitting and receiving device, and solve the discretional matching problem of the wireless transmitter and receiver and the inconvenience during the manufacturing of the manufactures. The transmitter of the invention includes a micro controller, a microphone, a volume tuning circuit, an audio signal process circuit, a signal mixing module, a frequency hopping sequence module, a radio frequency modulation and demodulation circuit and a radio frequency amplifying circuit; the transmitter also includes a random signal generation circuit, an address generation module and a pulse width modulation circuit. The receiver of the invention includes a radio frequency amplifying circuit, a radio frequency modulation and demodulation circuit, a frequency hopping sequence module, a signal separation module, audio signal recovery circuit, a volume tuning circuit, a micro controller and an audio amplifying circuit; the receiver also includes a pulse width modulation circuit and an address comparison module. The randomly addressing adaptive frequency-hopping wireless transmitter and the receiver of the invention realize the discretional matching of the transmitter and the receiver in large scale application without interference with other transmitters; meanwhile, the randomly addressing adaptive frequency-hopping wireless transmitter and the receiver of the invention bring convenience in manufacturing the same model wireless transmitter and receiver.