Shure QLXD2/B87A Digital Handheld Wireless Microphone Transmitter with Beta 87A Capsule (G50: 470 to 534 MHz)

Overview

The Shure QLXD2/B87A=-G50 is a handheld digital wireless microphone transmitter designed for professional vocal performances and presentations. It features the Beta 87A supercardioid condenser capsule, which captures clear and natural vocals while controlling proximity effect. Operating in the G50 UHF band (470 to 534 MHz), it offers 2560 selectable frequencies and 24-bit/48 kHz digital audio for high-fidelity sound. With up to 9 hours of battery life and a range of up to 330 feet, this transmitter is well suited for live events requiring reliable and secure vocal transmission.

Key features

• Beta 87A supercardioid condenser capsule delivers clear vocal capture with a maximum SPL of 140.5 dB, reducing unwanted noise and proximity effect.
• 24-bit/48 kHz digital audio combined with AES 256-bit encryption ensures secure, interference-free sound quality.
• Wide 64 MHz tuning range with 2560 selectable frequencies helps avoid interference in crowded RF environments.
• Selectable RF output power of 1 or 10 mW allows adjustment for different venue sizes and range needs.
• Up to 9 hours of continuous operation on two AA batteries supports long events without frequent battery changes.
• Interchangeable capsule design provides flexibility to swap microphone heads for different vocal styles or applications.
• Infrared sync enables quick and accurate frequency matching with compatible receivers, simplifying setup.
• Frequency and power lockout features prevent accidental changes during performances, ensuring consistent operation.
• Backlit LCD screen clearly displays frequency, group, and mute status for easy monitoring even in low-light conditions.

Key specs

• Frequency range: 470 to 534 MHz (G50 UHF band)
• Tuning range: 64 MHz with 2560 selectable frequencies
• Audio resolution: 24-bit/48 kHz digital
• Encryption: AES 256-bit
• RF output power: selectable 1 mW or 10 mW
• Maximum SPL: 140.5 dB (Beta 87A capsule)
• Battery type: two AA batteries
• Battery life: up to 9 hours
• Effective range: up to 330 feet (100 meters)

Connectivity and compatibility

This transmitter is designed to work seamlessly with Shure QLXD series receivers, providing stable and secure wireless audio transmission. Its interchangeable capsule system is compatible with multiple Shure microphone heads, allowing users to tailor the microphone to their specific vocal needs. The infrared sync feature ensures quick pairing with compatible receivers, reducing setup time and minimizing interference risks.

Ideal uses and environments

The QLXD2/B87A=-G50 fits well in venues such as theaters, houses of worship, conference rooms, and live music stages where clear and secure vocal transmission is critical. It is a strong choice for performers, speakers, and presenters who require consistent sound quality and reliable wireless operation over extended periods. Its flexible power settings and long battery life make it suitable for both small and large venues.