Shure The GLX-D+ Dual Band Wireless Headset System features the durable SM35 Headset Microphone for high-quality headworn vocal performance applications and the GLXD4+ tabletop receiver.

The Shure GLXD14+/SM35‑Z3 is a professional digital wireless headset system designed for vocal applications such as presentations, performances, fitness instruction, and live events. It includes a GLXD4+ tabletop receiver, a GLXD1+ bodypack transmitter, and a SM35 cardioid headset microphone, offering reliable and interference‑resistant wireless audio transmission. The system automatically scans and selects the best frequencies in both 2.4 GHz and 5.8 GHz bands, providing stable operation with minimized dropouts. Rechargeable lithium‑ion battery technology supports extended use, and the receiver provides easy setup, intuitive controls, and balanced audio outputs.

Features

System Performance
• Digital Dual‑Band wireless operation (2.4 GHz and 5.8 GHz) for reliable performance and reduced interference
• Automatic frequency management continually scans and selects clean channels
• True digital diversity with dual antennas to reduce RF dropouts
• Up to 12 hours of operation from rechargeable lithium‑ion battery (SB904)
• Automatic transmitter power‑off if signal is lost to conserve battery

Receiver
• GLXD4+ tabletop receiver with backlit LCD showing battery status, channel, and frequency
• Balanced XLR output and balanced 1/4″ TRS output for flexible connectivity
• Fixed front‑panel antennas

Transmitter
• Rugged GLXD1+ bodypack transmitter with TA4F input for headset mic
• Ergonomic design with on/off switch and LED status indicators
• Gain adjustable wirelessly from receiver for signal optimization