Shure The GLX-D+ Dual Band Wireless Headset System features the PGA31 Headset Microphone for spoken word applications and the GLXD4+ tabletop receiver.

The Shure GLXD14+/PGA31-Z3 is a professional‑grade digital wireless headset microphone system designed for speech and performance applications. It combines a dual‑band digital wireless receiver with a bodypack transmitter and a PGA31 cardioid electret condenser headset mic optimized for clear vocal reproduction. The system uses Shure’s GLX‑D+ Dual Band technology to automatically scan and select clean frequencies in both the 2.4 GHz and 5.8 GHz spectrum for reliable, interference‑minimizing performance. It features true digital diversity reception, automatic frequency management, and up to 12 hours of runtime from the included rechargeable lithium‑ion battery, making setup and operation simple and dependable for presenters, lecturers, and performers. The tabletop receiver provides balanced XLR and 1/4″ outputs with adjustable gain and front‑panel charging for the transmitter battery.

Features
System and Wireless
• Digital dual‑band wireless operation (2.4 GHz and 5.8 GHz)
• True digital diversity reception
• Automatic frequency scanning and management
• Up to 208.5 MHz total RF bandwidth
• Maximum operating range approximately 100 ft (30.5 m) line of sight
• Up to 8 compatible systems per band without frequency manager
• Up to 11–16 compatible systems with optional frequency manager

Receiver (GLXD4+ Tabletop)
• Tabletop receiver with two fixed 1/2‑wave antennas
• Balanced XLR output switchable between mic and line level
• Balanced 1/4″ TRS output