Shure P3R 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.
Works with PSM®300 Stereo Personal Monitor System
Offers up to 6 hours of continuous operation with 2 AA batteries
Includes P3R, 2 AA batteries, zipper bag, and user guide