JOYO JW-03 2.4GHz Guitar Wireless System Transmitter Receiver
Shure GLXD6-Z2 Digital Wireless Guitar Pedal Receiver ONLY NO TRANSMITTER
Easy to use --- Clamp the microphone directly on the mouth of the saxophone plug the receiver into the MIC interface of the speaker and then turn it on and use it. UHF 600-952MHz frequency range (region dependant).