Shure QLXD24/B58 Digital Wireless Handheld Microphone System with Beta 58A Capsule

Overview

The Shure QLXD24/B58-H50 is a digital wireless handheld microphone system designed to deliver clear and focused vocal performance for singers, presenters, and audio professionals. It combines the renowned Beta 58A supercardioid capsule with Shure’s QLX-D UHF platform, transmitting 24-bit 48 kHz audio with a reliable range of up to 330 feet. This system ensures secure, interference-free sound with AES 256-bit encryption, making it suitable for a variety of live sound environments from concert stages to corporate events.

Key features

• Digital UHF transmission that provides high-resolution 24-bit 48 kHz audio for natural and detailed sound reproduction
• Beta 58A capsule with a supercardioid pickup pattern that isolates vocals and minimizes feedback in challenging acoustic settings
• Secure AES 256-bit encryption to protect audio signals from interception, ideal for confidential presentations and broadcasts
• Digital Predictive Switching Diversity technology that continuously selects the best RF signal path to prevent dropouts and maintain consistent audio quality
• Half-rack receiver with an easy-to-read display featuring audio and RF meters for quick monitoring and adjustments
• One-touch IR sync simplifies frequency matching between transmitter and receiver, saving setup time
• Ethernet connectivity compatible with Shure Wireless Workbench software, enabling centralized monitoring and management of up to 60 channels in complex setups
• Detachable antennas allow flexible placement and integration into rack systems to extend coverage and improve signal reception
• Handheld transmitter powered by two AA batteries offering up to nine hours of continuous use, supporting long performances without interruption

Key specs

• Audio resolution: 24-bit, 48 kHz
• Transmission range: up to 330 feet (100 meters)
• Encryption: AES 256-bit
• Microphone capsule: Beta 58A supercardioid
• Power source: two AA batteries
• Battery life: up to 9 hours
• Receiver form factor: half-rack
• Channels supported: up to 60 compatible channels per location

Connectivity and compatibility

The system’s receiver includes an Ethernet port that integrates with Shure Wireless Workbench software, allowing sound engineers to monitor multiple channels and coordinate frequencies efficiently. This feature is especially valuable in environments with many wireless devices, such as theaters, houses of worship, and touring productions. The detachable antennas provide flexibility for antenna placement or remote antenna kits, enhancing signal coverage in larger or complex venues.

Performance and reliability

With Digital Predictive Switching Diversity, the system actively monitors the radio frequency environment to select the strongest signal path, reducing the risk of audio dropouts. The Beta 58A capsule’s supercardioid pattern helps maintain vocal clarity by focusing on the performer’s voice and rejecting unwanted background noise. The robust encryption ensures that audio remains private and secure, which is critical for corporate or broadcast applications.

Ideal uses and environments

This microphone system suits vocalists and presenters who need dependable wireless performance with clear sound and minimal interference. It works well in mid-size venues such as clubs, conference halls, and houses of worship. The long battery life and secure transmission make it a strong choice for events requiring mobility and confidentiality, including live music, corporate presentations, and broadcast settings.