With detailed 24-bit digital audio and reliable wireless performance, the P3RA bodypack delivers professional personal monitoring to any corner of the stage.  Patented Audio Reference Companding ensures the clearest sound, with ultra-low noise and no artifacts.  Perform a scan and IR sync to automatically select the cleanest frequency available and easily assign a wireless channel. Adjust the volume and use MixMode technology or stereo mode to create a personal mix from two channels of audio. Features:Works with PSM300 Stereo Personal Monitor SystemLCD screen features high-contrast menu-based navigation for advanced featuresVolume limiting and 2-band shelving EQ with high and low boostMixMode technology enables adjustment of two independent monitoring mix levels Stereo mode enables adjustment of left / right balancePower save mode preserves battery life when earphones are not connected5-Segment battery status LEDs provide clear indication of remaining chargeDelivers up to 6 hours of continuous operation with 2 AA batteriesOffers extended runtime with the Shure SB900 lithium-ion battery, which can charge in the bodypackWhen purchasing separate wireless components, please match their frequency bands to ensure proper system operation.Get your Shure P3RA Professional Wireless Bodypack Receiver (Band G20) Warning: Cancer and Reproductive Harm- This used item has been thoroughly checked out by our experts to make sure it is in perfect working condition. We then re-sealed it in its original packaging with all factory included accessories and owner's manual. This item is guaranteed to be in "as new" condition and has virtually no cosmetic imperfections. This item is covered with a one year warranty from Sam Ash??