Complete system with receiver, bodypack transmitter and headset microphone. PGX4 Wireless Receiver: The Shure PGX4 receiver makes wireless setup a snap. With features like Automatic Frequency Selection and Automatic Transmitter Setup, the PGX4 Wireless System offers high-quality wireless to performers on the go. For use with PGX Wireless Systems. PGX1 Wireless Bodypack Transmitter Designed to meet the needs of traveling performers, the Shure PGX1 can be used with headworn, lavaliere, or instrument microphones, or with guitars or basses. PG30TQG Headset Condenser Microphone This comfortable headset microphone is designed for use with Shure PG Wireless Systems and delivers smooth, natural frequency response comparable to quality handheld microphones.