Shure QLXD2/KSM9 — Handheld Wireless Transmitter with KSM9 Capsule (V50)
QLXD2/KSM9 Overview
The Shure QLXD2/KSM9 is a professional handheld wireless transmitter operating in the V50 band (174-216 MHz) and delivering 24-bit digital audio quality with highly efficient RF spectrum usage. Designed for wireless vocal applications, it pairs the QLXD2 transmitter body with the interchangeable KSM9 microphone capsule, bringing a legendary Shure condenser sound signature to wireless performance. The QLXD2/KSM9 is well suited for audio engineers, system integrators, and AV professionals serving music venues, presentation spaces, and houses of worship. All-metal construction provides the durability required for demanding touring and installed sound environments.
IR sync with a compatible QLXD receiver simplifies setup and channel coordination, while a reliable 100 m (330 ft.) operating range supports large-format rooms and stages without signal interruption.
Key Features
- 24-Bit Digital Audio — Transparent, high-resolution audio quality suited for professional vocal reinforcement and broadcast applications
- KSM9 Interchangeable Capsule — Premium condenser capsule delivering the KSM9 sound signature in a wireless handheld form factor
- V50 Band Operation (174-216 MHz) — Frequency band optimized for specific regional RF environments; consult Shure’s Frequency Finder tool for local coordination
- Efficient RF Spectrum Usage — Designed to operate cleanly in congested RF environments, maximizing available channel count
- IR Sync — One-button infrared sync to compatible QLXD receivers streamlines channel setup and reduces configuration time
- 100 m (330 ft.) Operating Range — Maintains clear, uninterrupted signal across large venues and presentation spaces
- All-Metal Construction — Full metal body provides durability for touring, rental, and permanent installation applications
- Interchangeable Capsule System — Compatible with a wide selection of Shure microphone capsules, allowing sound signature flexibility across applications

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