Shure SLXD24/B58 Digital Wireless Handheld Microphone System with Beta 58A Capsule (G58: 470 to 514 MHz)

Overview

The Shure SLXD24/B58-G58 is a digital wireless handheld microphone system designed to deliver clear and reliable audio for vocal performances, presentations, and professional installations. It features the SLXD2 transmitter with the Beta 58A supercardioid dynamic capsule and the SLXD4 single-channel rackmount receiver. Operating in the 470 to 514 MHz UHF band, this system offers 24-bit digital audio with a wide 120 dB dynamic range, ensuring vocal clarity and minimal interference in demanding environments.

With a maximum operating range of 328 feet and support for up to 32 compatible systems per frequency band, it fits well in live events, conferences, houses of worship, and other settings requiring multiple wireless microphones. The system’s automatic frequency scanning and IR sync simplify setup, while the transmitter’s battery options provide flexibility for extended use.

Key features

• 24-bit digital audio with a 120 dB dynamic range for clear and natural sound reproduction
• Beta 58A supercardioid capsule designed to isolate vocals and reduce off-axis noise, enhancing voice presence
• Wide 44 MHz tuning bandwidth with 1760 selectable frequencies to avoid interference in crowded RF environments
• Supports up to 32 systems per frequency band, enabling large-scale wireless setups without signal conflicts
• Automatic frequency scan and IR sync pairing for fast and accurate transmitter-to-receiver connections
• SLXD2 transmitter runs up to 8 hours on either a standard AA battery or a rechargeable SB903 battery, offering versatile power options
• Rackmount SLXD4 receiver includes Ethernet networking for coordinated management of multiple systems in complex installations

Key specs

• Frequency range: 470 to 514 MHz (G58 band)
• Audio resolution: 24-bit digital
• Dynamic range: 120 dB
• Operating range: up to 328 feet (100 meters)
• Tuning bandwidth: 44 MHz
• Selectable frequencies: 1760
• Maximum compatible systems per band: 32
• Transmitter battery life: up to 8 hours (AA or SB903 rechargeable battery)
• Receiver type: single-channel rackmount (SLXD4)

Connectivity and compatibility

The SLXD4 receiver offers straightforward integration into professional audio setups with standard rackmount design and Ethernet networking capabilities. This allows for centralized control and coordination of multiple wireless systems, which is especially useful in venues with complex audio requirements. The system’s wide tuning bandwidth and large number of selectable frequencies ensure compatibility with other wireless devices operating in the same UHF range, minimizing interference and signal dropouts.

Performance and reliability

The combination of the Beta 58A capsule and 24-bit digital transmission delivers vocal clarity with high gain before feedback, making it easier for performers and speakers to be heard clearly. The system’s robust design and stable wireless link provide consistent performance even in RF-congested environments. The transmitter’s flexible power options and long battery life support extended use without interruption, while the receiver’s automatic frequency scanning helps maintain a clean signal throughout events.

Ideal uses and environments

This wireless microphone system is well suited to professional vocalists, public speakers, and event organizers who require dependable sound quality and easy setup. It works well in live music venues, conference rooms, houses of worship, and other locations where multiple wireless microphones are needed simultaneously. Its ability to handle complex setups with up to 32 systems per band makes it a strong choice for large-scale productions and installations.