a receiver comprises a 5G wireless receiving portion, a digital/analog conversion and power amplifying portion, a second single chip portion, a LED indicating panel portion, and a second power supply portion; the digital/analog conversion and power amplifying portion comprises a third high speed multiway switch, a digital/analog signal converter with volume control, a low speed filter buffer unit, an analog switch, a power amplification module, a RCA single-end analog signal output interface, a XLR balanced analog audio input interface and a speaker; the 5G wireless receiving portion is wirelessly connected to the 5G wireless transmitting portion via a 5 GHz signal; the 5G wireless receiving portion is connected to the digital/analog signal converter with volume control; an analog volume output interface of the digital/analog signal converter with volume control is connected to the low speed filter buffer unit; the low speed filter buffer unit has two output ends, one of which is connected to the RCA single-end analog signal output interface, and another one of which and the XLR balanced analog audio input interface are simultaneously connected to the analog switch; an output end of the analog switch is connected to the power amplifying module; a speaker output interface of the power amplifying module is connected to the speaker; control ports of the second single chip portion are respectively connected to control ports of the 5G wireless receiving portion and the digital/analog conversion and power amplifying portion; the LED indicating panel portion and the second power supply portion are respectively connected with the second single chip portion.

The USB input interface is a USB 2.0 interface or a USB 3.0 interface.