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Shure BLX24R/SM58

Handheld wireless microphone system with SM58 capsule (512-542 MHz, Band H9)

Item # 183B24RSH9

Shure designed their BLX family of wireless systems to set you free.

Shure designed their BLX family of wireless systems to set you free.

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Please click here for your Proposition 65 warning.

Item # 183B24RSH9

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About the Shure BLX24R/SM58

Roam where you want to

Shure designed their BLX family of wireless systems to set you free. This BLX24R/SM58 system includes the BLX4R rack-mount single-channel receiver and the BLX2/SM58 wireless microphone, a package which gives you the freedom to roam the stage.

Roam where you want to

Shure designed their BLX family of wireless systems to set you free. This BLX24R/SM58 system includes the BLX4R rack-mount single-channel receiver and the BLX2/SM58 wireless microphone, a package which gives you the freedom to roam the stage.

Set 'em up

It's simple to set up the BLX24R/SM58's transmitter and receiver. Press the Group button on the receiver and it scans for the clearest group and channel. Then just set the transmitter to the same group and channel settings and you're ready to go. The Group and Channel can also be set manually. You can run up to 12 systems simultaneously depending on channel availability and RF environment.

Simple and free

The BLX2 transmitter and SM58 microphone combo delivers exceptional performance without a cable, while the BLX4R rack-mount receiver offers the simplicity of single-channel setup. You'll enjoy the freedom of a wireless system with Shure sound quality in an easy-to-use package. 

When considering a wireless system, you'll want to pick the frequency band with the least interference from local TV stations. Shure's Wireless Frequency Finder will show you the TV stations in your area, along with a list of recommended channels. Choose the frequency band that gives you the most open channels


Product highlights:

  • wireless system with handheld BLX2/SM58 microphone/transmitter and rackmountable receiver
  • operating range: 300' (line of sight)
  • transmitter LED indicates battery status
  • simultaneous operation of up to 12 systems (band and RF dependent)
  • locking transmitter and receiver controls
Electronic Features:
  • 512-542 MHz (Band H9)
  • receiver XLR and 1/4" outputs
  • frequency response: 50-15,000 Hz
  • gain adjustment range: 10 dB
General Features:
  • dimensions:
    • BLX2: 8.875" L x 2.125" diameter
    • BLX4R: 1.97" L x 7.8" W x 6.42" D
  • weight:
    • BLX2: 7.7 oz. (without batteries)
    • BLX4R: 2.2 lb. (without antennas)
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # BLX24R/SM58-H9

What's in the box:

  • BLX4R Single-channel rackmount receiver (Frequency band H9)
  • SM58 handheld microphone with BLX2 transmitter (H9)
  • Microphone clip
  • Short rackmount arm
  • Long rackmount arm
  • Two 4.5" 1/4-wave receiver antennas (male BNC terminal)
  • Two 21" antenna cables (male BNC terminals on each end)
  • 2 Female BNC couplers (female BNC terminals on each end)
  • 2 Internal star lock washers
  • 2 Hex lock nuts
  • 4 Rubber washers
  • Hardware pack
  • PS24US Power supply
  • 2 AA batteries
  • Zippered storage bag
  • BLX4R User Guide
  • Limited Warranty sheet

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More details on the Shure BLX24R/SM58

Russ B.

Product Research



Overview: The Shure BLX24R/SM58 Handheld Wireless Microphone System consists of the BLX4R Rack Mount Wireless Receiver, and the SM58 Handheld Microphone with the BLX2 transmitter. You can operate up to 12 compatible systems per frequency band (depending upon your region). The system operates on the H9 frequency band (512 to 542 MHz), and has a transmitting range of approximately 300 feet.

BLX4R: The BLX4R Rack Mount Wireless Receiver features one-touch QuickScan frequency selection to help you find the best open frequency for less interference. You can also manually change the group and channel assignments, if needed. It has an XLR mic output, as well as a 1/4" instrument-level output jack. The BLX4R is simple to set up, and has a microprocessor-controlled internal diversity antenna system with two removable 1/4-wave antennas. It has two LED indicators: an Audio LED to indicate the strength of the incoming signal (glows green for normal and red for overload), and a Ready LED to indicate the system is ready for use and receiving the transmitter signal. The BLX4R has an LCD display with detailed RF and audio metering. It is powered by the supplied 12-volt DC power supply, and comes with hardware to rack mount the receiver in a 1U rack space. For better reception when rack-mounting, hardware and extension cables are included to locate the antennas on the front of the rack-mounting brackets.

BLX2/SM58 Wireless Handheld Mic: The SM58 is the industry standard microphone capsule for lead and backup vocals in a professional sound reinforcement or project studio recording application. The SM58 has a cardioid polar pattern, and delivers warm, clear vocal reproduction. It is designed for close-up vocals, and can be handheld or mounted on a stand (using the supplied adjustable stand adapter). The SM58 can withstand rough handling, featuring a hardened steel mesh grille, and an advanced pneumatic shock mount system that minimizes mechanical noise and vibration. In addition to the stand adapter, the microphone comes with a zippered storage bag. The BLX2 transmitter is powered by 2 "AA" alkaline batteries (included), which provide approximately 14 hours of battery life. The LED indicator turns red to signify low battery with approximately 60 minutes of battery life remain. Optional rechargeable batteries can also be used. The BLX2 has independent group and channel buttons for easy setup. The BLX2 comes with a black identification cap. Optional color ID caps are available from the manufacturer.


Frequency Response:

  • BLX4R Receiver: 50-15,000 Hz
  • SM58/BLX2: 50-15,000 Hz

Gain Adjustment Range (BLX2): 10dB


  • BLX4R: Width=7.8", Height=1.97", Depth=6.42", Weight=2.2 pounds
  • BLX2/SM58: Length=8.875", Diameter=2.125", Weight=7.7 ounces

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Customer Q&A

1 question already asked

Does each SM58 wireless mike require its own BLX24R receiver or can multiple SM58's run off the same receiver?
[ Chuck  Apr 14, 2018 ]
1 answer
Wireless mic systems like this one can only work with one microphone. We have at least one, maybe more, wireless mic system that has two microphones. I recommend discussing this with one of our Pro Audio advisors and you can call them on 800-555-9369 My Bio:
[ Paul  Apr 30, 2018 ]  Staff

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