Shure QLXD2/K8 Handheld Wireless KSM8 Microphone Transmitter

With an included KSM8 cardioid dynamic mic capsule, the Shure QLXD2/K8 handheld wireless transmitter is reliable and easy to connect to a QLX receiver.

Featuring transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (330 ft.) range. All-metal construction ensures durability, and a wide selection of compatible microphone choices offer legendary Shure sound signatures.


- 20 Hz to 20 kHz frequency range with flat response (actual response is microphone dependent)
- Interchangeable Shure microphone capsules, including the legendary SM58
- AES 256-bit encryption for secure transmission
- Over 120 dB of dynamic range - no transmitter gain adjustment needed
- 1, 10 mW selectable RF output power
- Up to 9 hours continuous use with 2 x AA alkaline batteries
- Optional Shure SB900 lithium ion rechargeable battery provides up to 10 hours of continuous use and reports remaining runtime in hours and minutes
- External charging contacts for docked charging
- Backlit LCD with easy to navigate menu and controls
- Selectable display mode showing group/channel, frequency, or battery runtime
- 100 meter (330 ft.) line-of-sight operating range
- Rugged metal construction
- Frequency and power lockout

Mic Offset Range: 0 to 21 dB (in 3 dB steps)
Battery Type: Shure SB900A Rechargeable Li-Ion or AA batteries 1.5 V
Battery Runtime: @ 10 mW
Shure SB900A: up to 10 hours
Alkaline: up to 9 hours
Dimensions: 256 mm x 51 mm (10.1 in. x 2.0 in.) L x Dia.
Weight: 347 g (12.2 oz.), without batteries
Housing: Machined aluminum
Audio Input:
Configuration: Unbalanced
Maximum Input Level: 1 kHz at 1% THD, 145 dB SPL (SM58), typical
Note: Dependent on microphone type
RF Output:
Antenna Type: Integrated Single Band Helical
Occupied Bandwidth: < 200 kHz
Modulation Type: Shure proprietary digital
Power: 1 mW or 10 mW
Dimensions and Weight in Packaging
Band G50 (470 - 534 MHz)
Shipping Weight: 1.5 lbs
Shipping Dimensions: 13 x 5 x 4 in
Manufacturer Part Number (MPN): QLXD2/K8B=-G50
Band H50 (534 - 598 MHz)
Shipping Weight: 1.5 lbs
Shipping Dimensions: 13 x 5 x 4 in
Manufacturer Part Number (MPN): QLXD2/K8B=-H50
Band J50A (572 - 608 MHz)
Shipping Weight: 1.5 lbs
Shipping Dimensions: 13 x 5 x 4 in
Manufacturer Part Number (MPN): QLXD2/K8B=-J50A
Band V50 (174 - 216 MHz)
Shipping Weight: 1.5 lbs
Shipping Dimensions: 13 x 5 x 4 in
Manufacturer Part Number (MPN): QLXD2/K8B=-V50

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: (800) 516-2525

Band G50 (470 - 534 MHz)

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