Shure QLXD2/B58A Digital Handheld Wireless Microphone Transmitter

Overview

The Shure QLXD2/B58A is a digital handheld wireless microphone transmitter designed for professional audio applications. It features the renowned Beta 58A dynamic capsule, which delivers clear and bright vocals with a well-balanced midrange and controlled bass. With a wireless operating range of up to 330 feet and battery life lasting up to 9 hours on two AA batteries, this transmitter supports extended performances and presentations without interruption. Its rugged aluminum body and selectable RF output power make it a reliable choice for live events and demanding environments.

Key features

• Wireless UHF digital transmission ensures clear audio free from interference and dropouts
• Beta 58A dynamic capsule with supercardioid polar pattern isolates vocals by reducing background noise and minimizing off-axis sound
• Operating range of up to 330 feet allows freedom of movement on large stages or venues
• Battery life up to 9 hours on two AA batteries supports long sessions without frequent replacements
• Interchangeable Shure microphone capsules provide flexibility to adapt to different sound environments and preferences
• AES 256-bit encryption secures wireless transmission to prevent unauthorized access
• Selectable RF output power (1mW or 10mW) helps optimize range or accommodate multiple microphone setups
• Lightweight and durable aluminum housing withstands regular use and travel demands
• Backlit LCD screen offers easy access to settings and quick adjustments even in low-light conditions
• Infrared syncing simplifies frequency setup, reducing setup time and potential interference
• Adjustable input sensitivity allows fine-tuning of audio levels for optimal sound quality

Key specs

• Microphone capsule: Beta 58A dynamic
• Polar pattern: Supercardioid
• Operating range: Up to 330 feet (100 meters)
• Battery type: Two AA batteries
• Battery life: Up to 9 hours
• RF output power: Selectable 1mW or 10mW
• Encryption: AES 256-bit
• Housing: Aluminum
• Display: Backlit LCD screen

Connectivity and compatibility

This transmitter is designed to work seamlessly with Shure QLX-D digital wireless systems, ensuring reliable and interference-free audio transmission. Its compatibility with interchangeable Shure microphone capsules allows users to customize the microphone for various vocal styles and environments. The infrared syncing feature enables quick pairing with receivers, making it easy to integrate into existing setups or expand with multiple units.

Performance and reliability

The QLXD2/B58A delivers consistent, high-quality sound with its Beta 58A capsule and supercardioid pattern, which focuses on the performer’s voice while minimizing ambient noise and feedback. Its robust aluminum construction protects the unit during transport and use, while the selectable RF power and AES encryption provide both flexibility and security. This combination makes it well suited for professional musicians, speakers, and event technicians who require dependable wireless performance in live settings.

Ideal uses and environments

This wireless microphone transmitter fits well in live music performances, corporate presentations, houses of worship, and any event where clear vocal reproduction and mobility are essential. Its long battery life and extended operating range support users who need to move freely on stage or across large venues without worrying about signal loss or frequent battery changes. The unit’s durable design and easy setup features also make it a strong choice for touring professionals and rental companies.