Shure QLXD2/B58A Digital Handheld Wireless Microphone Transmitter with Beta 58A Capsule (J50A: 572 to 608 + 614 to 616 MHz)

Overview

The Shure QLXD2/B58=-J50A is a handheld digital wireless microphone transmitter designed for the QLX-D system, delivering clear and focused vocal performance with its Beta 58A dynamic capsule. It operates within the J50A UHF band, offering 2,560 selectable frequencies and up to nine hours of battery life on two AA batteries, making it a reliable choice for live performances, presentations, and events requiring secure and high-quality audio transmission.

Key features

• Beta 58A capsule provides a supercardioid pickup pattern that emphasizes vocals while reducing stage noise and feedback.
• Infrared sync allows quick and easy frequency matching with QLX-D receivers, streamlining setup in busy environments.
• AES 256-bit encryption ensures secure audio transmission, ideal for corporate meetings and worship services.
• Selectable RF output of 1 or 10 milliwatts lets you balance range and interference when multiple systems are in use.
• Runs up to nine hours on two AA batteries, with compatibility for the optional Shure SB900 rechargeable pack for extended use and battery monitoring.
• Features a backlit LCD displaying frequency, battery status, and gain for clear monitoring during performances.
• Includes a mute toggle and lockable frequency and power settings to prevent accidental changes during use.
• Standard threaded mount accepts any Shure interchangeable microphone capsule, offering flexibility for different sound needs.

Key specs

• Frequency range: 572 to 608 MHz and 614 to 616 MHz (J50A band)
• Number of selectable frequencies: 2,560
• RF output power: selectable 1 mW or 10 mW
• Battery type: two AA batteries or optional Shure SB900 rechargeable pack
• Battery life: up to 9 hours
• Microphone capsule: Beta 58A dynamic, supercardioid pattern
• Audio encryption: AES 256-bit
• Housing: durable aluminum

Connectivity and compatibility

This transmitter integrates seamlessly with the Shure QLX-D digital wireless system, providing a secure and interference-resistant connection. Its infrared sync feature simplifies pairing with compatible receivers, while the standard threaded mount supports a wide range of Shure capsules, allowing users to customize their microphone setup according to specific vocal or instrument needs.

Performance and reliability

Built to withstand the demands of touring and professional use, the transmitter’s robust aluminum housing protects internal components while maintaining a lightweight feel. The system’s extensive frequency options and adjustable RF power help maintain clear audio even in crowded RF environments. The mute switch and lock functions add an extra layer of control, ensuring uninterrupted performances.

Ideal uses and environments

The QLXD2/B58=-J50A is well suited to live vocal performances, spoken-word presentations, and emceeing in venues such as concert stages, houses of worship, conference centers, and school auditoriums. Its secure encryption and flexible frequency range make it a strong choice for events where audio privacy and interference management are critical.