Shure PSM 300 In-Ear Personal Monitoring SystemThe PSM 300 Stereo Personal Monitor System delivers professional grade, 24 bit digital audio to performers with unmatched reliability and freedom on stage. Designed for dynamic live performances, this system combines precise sound reproduction with a robust wireless link, so musicians and performers can hear every nuance of their performance without distraction. With Audio Reference Companding, Shure ensures the clearest possible sound across the