Shure QLXD2/KSM9 Digital Handheld Wireless Microphone Transmitter

Overview

The Shure QLXD2/KSM9=-J50A is a digital handheld wireless microphone transmitter designed to deliver studio-level vocal clarity while allowing performers and speakers to move freely on stage. Featuring 24-bit digital audio transmission and a range of up to 330 feet, it ensures clear sound without the hiss or artifacts typical of analog systems. The microphone’s KSM9 condenser capsule offers selectable cardioid and supercardioid pickup patterns, making it adaptable to various acoustic environments such as crowded stages or reflective rooms.

Key features

• 24-bit digital audio transmission maintains vocal clarity and low latency across a wide operating range
• KSM9 condenser capsule with switchable cardioid and supercardioid patterns adapts to different stage and room conditions
• AES-256 encryption secures wireless audio for confidential corporate or worship events
• Infrared sync quickly pairs the transmitter with QLX-D receivers, simplifying setup
• Selectable RF output power (1 mW or 10 mW) helps manage interference in crowded frequency environments
• Durable aluminum body offers strength for touring while remaining lightweight for comfortable handling
• Input sensitivity adjustment accommodates a variety of vocal styles and dynamic ranges
• Powered by two AA batteries providing up to nine hours of operation, with an optional rechargeable pack for extended use
• Compatible with multiple interchangeable Shure microphone capsules to tailor tonal characteristics

Key specs

• Audio resolution: 24-bit digital
• Operating range: up to 330 feet
• Pickup patterns: selectable cardioid and supercardioid
• Encryption: AES-256
• Battery type: two AA batteries
• Battery life: up to 9 hours
• RF output power: selectable 1 mW or 10 mW
• Body material: aluminum

Connectivity and compatibility

This transmitter integrates seamlessly with Shure’s QLX-D wireless system, allowing quick infrared synchronization with compatible receivers. Its compatibility with various Shure microphone capsules provides flexibility for different vocal tones and performance needs. The selectable RF output power helps maintain reliable connections even in environments with heavy radio-frequency traffic.

Performance and reliability

Designed for demanding live environments, the QLXD2/KSM9=-J50A offers consistent, high-quality audio transmission with minimal latency. The robust aluminum housing withstands the rigors of touring and frequent handling, while the clear OLED display ensures essential information is visible in low-light conditions. The long battery life supports extended performances or events without interruption.

Ideal uses and environments

This wireless microphone transmitter is well suited for vocalists, presenters, and worship leaders who require freedom of movement without sacrificing sound quality. It performs reliably in venues ranging from small worship spaces to large stages and corporate settings where secure audio transmission is critical. Its adaptable pickup patterns and encryption features make it a strong choice for professional live sound applications and rental inventories.