This solution is specifically designed for wireless audio transmission of electric musical instruments, comprising a transmitter adapter and a USB receiver. The transmitter adapter connects to the electric musical instrument, while the USB receiver plugs into the USB port of a computer, tablet, or smartphone, facilitating online recording and sharing. The transmission and reception operate in a one-to-one pairing mode, ensuring the use of up to four wireless devices in a single environment. It supports a 48K sampling rate and excellent audio encoding and decoding methods, resulting in rich harmonic components, pleasant and robust sound, and minimal distortion.