PSM300 Wireless bodypack receiver, P3R lets you use MixMode to customize the mono blend from two channels of audio, or select stereo mode and adjust the left / right balance as desired.<UL><li>Works with PSM300 Stereo Personal Monitor System<li>Offers up to 6 hours of continuous operation with 2 AA batteries<li>Includes P3R, 2 AA batteries, zipper bag, and user guide</UL><BR>With its slim, lightweight, durable design, the P3R offers reliable wireless freedom that covers every corner of the stage, with up to 300 feet (90 meters) of range. Simply connect a set of earphones and adjust the controls to create a wireless personal mix.<BR><BR>Patented Audio Reference Companding and 24-bit digital audio clarity ensure the clearest sound, with ultra-low noise and no artifacts.