Shure QLXD2/KSM9HS Digital Handheld Wireless Microphone Transmitter with KSM9HS Capsule (X52: 902 to 928 MHz)

Shure QLXD2/KSM9HS Digital Handheld Wireless Microphone Transmitter

Superior Sound Quality with Dual-Diaphragm Capsule

The Shure QLXD2/KSM9HS is a premium digital handheld wireless microphone transmitter compatible with QLX-D receivers. It is equipped with a dual-diaphragm KSM9HS condenser capsule that captures sonic nuances with exceptional detail, ensuring precise vocal reproduction for high-end live performances.

Versatile Polar Pattern Options

The KSM9HS capsule offers two switchable polar patterns, providing front-of-house (FOH) engineers with flexible options to handle different environments and performers' techniques:

• Hypercardioid Pattern: Delivers excellent off-axis rejection and extended gain before feedback, ideal for loud environments.


• Subcardioid Pattern: Provides a wide coverage angle with subtle off-axis rejection, resulting in a natural sound and minimized proximity effect.

Broad Tuning Range and Long Battery Life

Operating within a 26 MHz UHF tuning range and offering 1040 selectable frequencies, the QLXD2/KSM9HS ensures reliable performance with minimal interference. It provides up to 9 hours of operation on two AA batteries, a transmission range of up to 330 feet, and selectable RF power output of 1/10 mW, making it adaptable for various venue sizes and applications.

Durable and Secure Design

Constructed from rugged yet lightweight aluminum, the QLXD2/KSM9HS transmitter is designed to withstand rigorous use while maintaining pristine audio quality and RF performance. It includes AES 256-bit encryption for secure transmission and offers advanced rechargeability options, making it suitable for medium-sized venues, houses of worship, and A/V installations in conferences, educational, and corporate settings.

Clear and Accurate Audio

• High-Resolution Digital Audio: Provides clear, reliable 24-bit/48 kHz digital audio.


• Consistent Frequency Response: Dual 3/4” gold-layered, low-mass Mylar diaphragms ensure consistent frequency response.


• Transparent Sound: Features a Class-A, discrete transformerless preamplifier for fast transient response and no crossover distortion.


• Reduced Noise: Integrated three-stage "pop" protection grille minimizes plosives, wind, and breath noise.

Interchangeable Capsule Design

The interchangeable capsule design allows for easy customization. You can replace the KSM9HS capsule with various Shure capsules, including:

• SM58


• SM87A


• Beta 58A


• Beta 87C


• KSM8

User-Friendly Operation

• Quick Sync: Syncs with a wireless receiver via infrared at the touch of a button.


• Adjustable Sensitivity: Accommodates a range of vocal levels, from booming voices to quiet speech.


• Lockout Functions: Prevents accidental or unauthorized changes with frequency and power lockout functions.


• Intuitive Interface: Backlit LCD with easy-to-navigate menu and controls for quick access to settings.

Flexible Power Management

• Long Battery Life: Operates up to 9 hours on two AA batteries.


• Rechargeable Option: Compatible with the optional Shure SB900A lithium-ion rechargeable battery pack, offering over 10 hours of battery life and precision metering.


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


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

The Shure QLXD2/KSM9HS transmitter is an exceptional choice for sound reinforcement applications, delivering reliable performance and superior audio quality in a durable, user-friendly package.