View larger Shure PGXD14/PGA31 PGX-D Digital Headworn Wireless System with PGA31 Headset Microphone Offering tailored wireless solutions for vocalists, guitarists, and presenters, PGX Digital Wireless combines the trusted legacy of Shure microphones with state-of-the-art, 24-bit digital wireless technology that delivers strong, clean RF performance. The result is wireless audio that sounds like wired, rock-solid RF signal, and simple setup and operation. Microphone: Features PGA31 Headset Microphone. Digital Headworn Wireless System Includes: PGXD4 receiver, PGXD1 bodypack transmitter, PGA31 headset microphone, 2 AA batteries, power supply, clothing clip, windscreens, carrying case, and user guide. PGXD4 Receiver - FrontView larger PGXD4 - Description 24-Bit, 48 kHz digital audio technology for wireless that sounds like wired. Up to 5 compatible channels per frequency band. PGXD4 Receiver - BackView larger PGX4 - Specifications Weight - 289 g (10.2 oz. ), Sensitivity -102 dBm @ 10-5 BER PGXD1 Bodypack - SideView larger PGXD1 - Specifications Up to 10 hours of continuous use from 2 AA batteries. 200 ft (60 m) operating range. PGA31View larger PGA31 - Details Designed for long-wearing comfort, the PGA31 offers a secure fit for hands-free operation in any situation. Its unidirectional cardioid polar pattern provides excellent off-axis rejection for higher gain-before-feedback when using a stage monitor..