Shure's P9RA+=-G7 506-542 MHz is a compact, stereo bodypack receiver for use with the PSM ®900 Wireless Personal Monitor System. With a hybrid analog/digital architecture, the P9RA+ Bodypack Receiver offers unparalleled audio quality with more headroom, better stereo separation, and higher fidelity, along with reliable RF performance for increased RF signal strength to meet the needs of professional audio applications of all kinds, including IEM and IFB applications. All P9RA+ receivers are compatible with P9T and P10T transmitters and all Shure SE Sound Isolating™ Earphones.