I am selling it because I purchased a new guitar wireless!! Operation has been confirmed Product Details Digital guitar wireless that pursues sound quality and convenience An innovative 2.4GHz digital guitar wireless system that pursues sound quality and convenience, inheriting the lineage of "SYSTEM10". The high potential that “SYSTEM10” has proven will be passed on to the next generation. -Equipped with three types of diversity to enable stable operation. Including the space diversity method that automatically selects antennas with good reception conditions, We employ frequency divers and time divers. ・Automatically avoid interference frequencies with real-time two-way communication. Performs real-time two-way communication between the transmitter and receiver, Automatically avoids interference frequencies. ・Achieves high sound quality with a high bit rate of 24bit/48kHz. Wide dynamic range and natural sound with good response, Suitable not only for guitars, but also for basses, electric acoustics, etc. ・Setup is completed with simple operations. Equipped with an automatic setting function, there is no need for the user to set the channel. Up to 8 channels can be used simultaneously. Robust metal body and compact stompbox size. The receiver has a sturdy metal body and foot switch, allowing for stable performance even in harsh live situations. Stompbox size allows for compact storage on your pedalboard. Displays the remaining battery power of the transmitter in 4 steps. In addition to the included AC adapter, you can also use a 9V to 12V external power supply. Equipped with AB select function that allows for a variety of settings. Equipped with two output terminals and two output modes. A or B mode, which is used for switching amplifiers, and A Mute mode, which is convenient for tuning, provide powerful support for the player. The multi-pairing function allows for smooth guitar switching during live performances. Eight transmitters can be pre-registered to one receiver. Automatically connects to the receiver just by turning the transmitter power ON/OFF. There is no need to pair each time, and you can smoothly change instruments.