In-Ear Personal Monitoring System The PSM300 Stereo Personal Monitor System delivers detailed 24-bit digital audio and reliable wireless freedom to every corner of the stage. Patented Audio Reference Companding ensures the clearest sound, with ultra-low noise and no artifacts. Dependable wireless coverage extends over 300 ft (90 m) of range and eliminates dropouts. Easy to setup and operate, PSM300 systems offer one-touch frequency scan and sync to find and assign a clean wireless channel. How It Works Easy to set up and operate, the Shure PSM 300 in-ear personal monitoring system puts total freedom within reach of musicians at every level. Customizable two-channel mix and volume lets you hear every note in detailed, 24-bit digital audio from anywhere on the stage. All PSM 300 systems include the P3T transmitter, which is housed in a rugged, all-metal chassis, your choice of two bodypack receivers, and Shure Sound Isolating Earphones. Why It's Better Up to 15 channels and up to 24 MHz of tuning bandwidth with easy-to-use pre-programmed Groups and Channels The Shure P3T wireless transmitter is housed in a rugged, all-metal chassis that goes wherever your music takes you. Send a stereo or mono mix wirelessly up to 300 feet away without artifacts and dropouts. Choose between the reliable P3R bodypack receiver or move up to the P3RA bodypack receiver with its all-metal construction, LCD display, and rechargeable battery option. Also available in convenient Twinpack config