Shure Rackmount BLX4 Wireless Receiver for BLX Wireless System

Get the trusted wireless performance of Shure's BLX series in a convenient rackmount format with the BLX4 receiver. Includes power supply and rack mount kit.

The BLX4R Single Channel Rackmountable Wireless Receiver from Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection, for legendary sound and performance, right out of the box.

For performers who wish to unplug from the wire, BLX Wireless Systems are the clearest choice. Shure delivers wireless confidence with legendary sound from industry-renown microphones, decades of wireless design proficiency and world-class construction.


- One-touch QuickScan frequency selection quickly locates the best open frequency (in case of interference)
- Up to 12 compatible systems per frequency band (region-dependent)
- Two-color audio status indicator LED
- Green: Normal audio levels
- Red: Excessive audio levels (overload/clipping)
- XLR and ¼” output connectors
- Adjustable output level
- LCD Display with detailed RF and audio metering

- BLX4R Rackmount Wireless Receiver
- Rack Mount Kit
- 2 detachable 1/4 Wave Antennas
- PS23US Power Supply

Dimensions and Weight in Packaging
Band H11 (572-596 MHz)
Shipping Weight: 6 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): BLX4R=-H11
Band J11 (596-616 MHz)
Shipping Weight: 6 lbs
Shipping Dimensions: 19 x 15 x 4 in
Manufacturer Part Number (MPN): BLX4R=-J11

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 H11 (572-596 MHz)

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