Shure QLXD2/SM87 Digital Handheld Wireless Microphone Transmitter with SM87A Capsule (G50: 470 to 534 MHz)

Overview

The Shure QLXD2/SM87=-G50 is a digital handheld wireless microphone transmitter designed for professional vocal and speech applications. It features the detachable SM87A condenser capsule with a supercardioid pattern that focuses on vocals while reducing background noise. Operating in the 470 to 534 MHz UHF band, it offers 2560 selectable frequencies and delivers 24-bit/48 kHz digital audio with AES 256-bit encryption for secure, clear sound transmission. With a maximum range of up to 330 feet and up to 9 hours of runtime on two AA batteries, this transmitter is built for reliable performance in live events, presentations, and broadcast settings.

Key features

• Supercardioid SM87A condenser capsule designed to capture vocals with clarity and minimize ambient noise
• Wide tuning range with 2560 selectable frequencies to avoid interference in crowded wireless environments
• Secure 24-bit/48 kHz digital audio transmission with AES 256-bit encryption to protect your signal
• Up to 9 hours of continuous use on two AA batteries, with support for optional rechargeable lithium-ion batteries
• Selectable RF output power of 1 or 10 mW to adapt range and reduce interference as needed
• Infrared sync enables quick and easy pairing with compatible QLX-D receivers, simplifying setup
• Durable aluminum housing that is lightweight yet robust for frequent use on stage or in the field
• Backlit LCD screen provides clear visibility of RF settings and battery status for convenient monitoring
• Interchangeable Shure microphone capsules offer flexibility for different vocal and instrument applications

Key specs

• Frequency range: 470 to 534 MHz (G50 UHF band)
• Selectable frequencies: 2560
• Audio resolution: 24-bit/48 kHz digital
• Encryption: AES 256-bit
• Maximum transmission range: 330 feet
• Power source: Two AA batteries or optional lithium-ion rechargeable battery
• Battery life: Up to 9 hours
• RF output power: Selectable 1 mW or 10 mW
• Microphone capsule: Detachable SM87A supercardioid condenser
• Housing: Aluminum with backlit LCD display

Connectivity and compatibility

This transmitter pairs seamlessly with Shure QLX-D receivers using infrared sync, which speeds up channel matching and reduces setup time. Its wide frequency range and large number of selectable channels make it suitable for use in environments with multiple wireless systems, such as concert venues, conference centers, and broadcast studios. The interchangeable capsule design allows users to switch to other Shure capsules if different pickup patterns or sound characteristics are needed.

Ideal uses and environments

The QLXD2/SM87=-G50 fits well in professional live sound setups, including vocal performances, speeches, and presentations where clear and secure wireless audio is critical. Its robust build and long battery life make it a strong choice for touring musicians, event professionals, and broadcasters who require dependable wireless operation over extended periods. The supercardioid capsule helps isolate vocals in noisy environments, making it suitable for both indoor and outdoor venues.