The Shure Stereo Wireless Portable In-Ear Monitor System P3RA P3T UHF 488-512 MHz is a professional audio equipment designed for musicians and audio professionals. This system includes a transmitter (P3T) and 1 PTRA and 1 PTR receivers that operate on UHF frequency band G20. providing clear and reliable wireless connection. The portable design makes it easy to use on the go, and the stereo feature enhances the listening experience. With the renowned Shure brand reputation, this system ensures high-quality sound reproduction for live performances or recording session.