P3RA PREMIUM receiver for PSM300 wireless monitoring system, battery powered (SB900 optional)   Professional Wireless Bodypack Receiver P3RA offers an upgrade to P3R, with all-metal housing, optional rechargeability, and advanced features including EQ and volume limiting.   Works with PSM®300 Stereo Personal Monitor System Delivers up to 6 hours of continuous operation with 2 AA batteries Offers extended runtime with the Shure SB900 lithium-ion battery, which can charge in the bodypack Includes P3RA, 2 AA batteries, battery adapter kit, zipper bag, and user guide   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 • LCD screen features high-contrast menu-based navigation for advanced features including volume limiting and 2-band shelving EQ with high and low boost • MixMode® technology enables adjustment of two independent monitoring mix levels  • Stereo mode enables adjustment of left / right balance • Power save mode preserves battery life when earphones are not connected • 5-Segment battery status LEDs provide clear indication of remaining charge   Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.  Warranty: 2 years.