Shure QLXD2/KSM9HS Digital Handheld Wireless Microphone Transmitter with KSM9HS Capsule (V50: 174 to 216 MHz)

Shure QLXD2/KSM9HS: Digital Handheld Wireless Microphone Transmitter

Exceptional Sound Quality for Professional Performances

The Shure QLXD2/KSM9HS is designed to meet the demanding needs of high-end live performances. It features a dual-diaphragm KSM9HS condenser capsule that captures sonic nuances with superior detail, ensuring precise vocal reproduction.

• Dual Polar Patterns: The KSM9HS capsule offers switchable hypercardioid and subcardioid patterns. The hypercardioid pattern provides excellent off-axis rejection and extended gain before feedback, ideal for loud environments. The subcardioid pattern offers a wide coverage angle with subtle off-axis rejection, delivering a natural sound with minimized proximity effect.

Reliable and Flexible Performance

Operating within a 42 MHz VHF tuning range, the QLXD2/KSM9HS provides 1680 selectable frequencies, ensuring reliable performance across different environments.

• Extended Battery Life: Up to 9 hours of operation on two AA batteries.


• Robust Transmission Range: Offers a transmission range of up to 330 feet, suitable for medium-sized venues.

Rugged and Secure

The transmitter's rugged, lightweight aluminum housing ensures durability, while AES 256-bit encryption secures audio transmission, protecting against unauthorized access.

• Pristine Audio Quality: Delivers clear, reliable 24-bit/48 kHz digital audio.


• Enhanced Design: The KSM9HS capsule with dual 3/4” gold-layered, low-mass Mylar diaphragms provides a consistent frequency response. It features a Class-A, discrete transformerless preamplifier for transparency, fast transient response, and no crossover distortion. The integrated three-stage "pop" protection grille reduces plosives, wind, and breath noise.

Interchangeable Capsule Design

The QLXD2/KSM9HS supports an interchangeable capsule design, allowing customization to suit specific needs. Compatible capsules include SM58, SM87A, Beta 58A, Beta 87C, KSM8, and more.

User-Friendly Features

The QLXD2/KSM9HS is designed for ease of use, with features that enhance the user experience.

• Quick Syncing: Easily sync with a wireless receiver via infrared at the touch of a button.


• Adjustable Input Sensitivity: Accommodates varying mic levels.


• Frequency and Power Lockout: Prevents accidental or unauthorized changes.


• Easy Navigation: A backlit LCD with an easy-to-navigate menu provides quick access to frequency, group, and channel settings, as well as mute and lock status, and RF output.


• Selectable RF Output Power: Choose between 1mW and 10mW to optimize the transmitter's range or the number of mics operating simultaneously.

Advanced Power Management

The QLXD2/KSM9HS offers multiple power management options.

• Standard AA Batteries: Operates for up to 9 hours on two AA batteries.


• Rechargeable Battery Option: The optional Shure SB900A lithium-ion rechargeable battery pack offers over 10 hours of battery life, with intelligent power management and precision metering.


• Docked Charging: External charging contacts support docked battery charging with the SBC200 dual-docking charger (available separately).


• Remote Power Monitoring: The networkable SBC220 charger (available separately) enables remote power monitoring via Shure’s Wireless Workbench software.

The Shure QLXD2/KSM9HS is ideal for sound reinforcement in medium-sized venues, houses of worship, conferences, educational settings, and corporate facilities, delivering top-notch audio quality, reliable RF performance, and user-friendly operation.