Shure QLXD2/SM58 Digital Handheld Wireless Microphone Transmitter with SM58 Capsule (J50A: 572 to 608 + 614 to 616 MHz)

Overview

The Shure QLXD2/SM58=-J50A is a digital handheld wireless microphone transmitter designed to deliver clear and warm vocal sound with professional reliability. It features the renowned SM58 capsule, known for its cardioid polar pattern that minimizes background noise and feedback, making it ideal for medium-sized venues, houses of worship, and corporate events. With 24-bit/48 kHz digital audio quality and a transmission range of up to 330 feet, this transmitter ensures your voice is captured crisply and naturally.

Key features

• 24-bit digital audio provides clear and accurate sound reproduction for professional vocal performance
• SM58 capsule with cardioid polar pattern focuses on the speaker’s voice while reducing ambient noise and feedback
• Transmission range up to 330 feet offers flexibility for movement on stage or in large rooms
• AES 256-bit encryption secures the wireless signal against interference and unauthorized access
• Rugged aluminum body built to withstand the rigors of live use and frequent handling
• Up to 9 hours of continuous operation powered by two AA batteries, supporting long events without interruption
• Optional rechargeable battery with external charging contacts adds convenience and reduces battery waste
• Infrared synchronization with Shure QLX-D receivers simplifies setup and frequency coordination

Key specs

• Audio resolution: 24-bit/48 kHz digital
• Transmission range: up to 330 feet (100 meters)
• Polar pattern: cardioid (SM58 capsule)
• Encryption: AES 256-bit
• Power source: two AA batteries or optional rechargeable battery
• Battery life: up to 9 hours
• Frequency range: J50A band (572 to 608 MHz + 614 to 616 MHz)
• Body material: rugged aluminum

Connectivity and compatibility

This transmitter is designed to work seamlessly with Shure’s QLX-D digital wireless systems, ensuring reliable pairing and interference-free operation. Infrared synchronization allows quick frequency matching with compatible receivers, reducing setup time and complexity. The unit’s frequency range supports use in regions allocated for the J50A band, making it suitable for professional audio environments that require secure and stable wireless transmission.

Performance and reliability

Built to meet the demands of live performances and professional presentations, the transmitter’s rugged aluminum construction protects it from everyday wear and tear. The SM58 capsule delivers vocals that are both clear and warm, while the cardioid pattern helps maintain focus on the speaker’s voice by rejecting unwanted noise. Long battery life and the option for rechargeable power ensure uninterrupted use during extended events.

Ideal uses and environments

This wireless microphone transmitter fits well in medium-sized venues such as theaters, houses of worship, and corporate meeting rooms where clear vocal reproduction is critical. It is a strong choice for vocalists, speakers, and presenters who need dependable wireless performance with professional sound quality. The secure encryption and robust build also make it suitable for environments where signal integrity and durability are priorities.