Shure PSM300 Premium Stereo Personal Monitor System With SE215sThe discrete Shure PSM300 Premium Stereo Personal Monitor System with SE215s allows complete wireless freedom no matter where you are on the stage. Shure's Patented Audio Reference Companding means that you will experience nothing but the clearest sound with ultra-low noise and zero unwanted artifacts. The wireless coverage has a range of over 90 meters and the system itself is incredibly easy to set up with a one-touch frequency scan which quickly finds a clean wireless channel. You can adjust the volume and use MixMode technology or stereo mode to create your own customised mix from two channels of audio. This system includes SE215 sound isolating earphones, a P3RA bodypack and P3T wireless transmitter.