Shure BLX4 Single Channel Receiver - H9 Band

BLX Series Wireless Receiver with QuickScan Frequency Selection, 2-color Audio Status Indicator LED, and XLR and 1/4" Output Connectors - H9 Band (512-542MHz)
Shure BLX4 Single Channel Receiver - H9 Band image 1
Shure BLX4 Single Channel Receiver - H9 Band image 1
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Shure BLX4 Single Channel Receiver - H9 Band
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Smart, Affordable Wireless

The Shure BLX4 Wireless Receiver gives you world-class design and tour-tough build quality, along with easy setup and operation. Thanks to Shure's cutting-edge, 1-touch QuickScan technology that locates the best open frequency, the BLX4 makes frequency-selection hassles a thing of the past. The BLX4 receiver sports a 2-color audio status indicator LED as well as XLR and 1/4" output connectors. Whether you're a performer, mix engineer, or venue manager, Shure BLX wireless systems are a smart, affordable way to go wireless. Enjoy legendary Shure sound and performance with Shure's BLX4.

Shure BLX4 Wireless Receiver at a Glance:
  • Convenient and easy to use
  • Ready to rock, right out of the box
  • Versatile and expandable
Convenient and easy to use

Shure's BLX4 Wireless Receiver features the company's cutting-edge, 1-touch QuickScan technology, which quickly locates the best open frequency. With the BLX4, you'll always be aware of your audio status, courtesy of its 2-color LED, which lights up green to indicate normal levels and red to indicate clipping. You also get both XLR and 1/4" output connectors, so you can easily interface with your mixer.

Ready to rock, right out of the box

If you're ready to go wireless, Shure's BLX wireless systems are a smart, affordable choice. Take the stage confidently, backed up by Shure's legendary microphones, decades of wireless design experience, and tour-tested build quality. Available in a broad selection of bodypack and handheld configurations, BLX vocal, guitar, headset, and presenter systems are ready to rock, right out of the box.

Versatile and expandable

A choice of single-channel, single-channel half-rack, and dual-channel receivers, as well as vocal, guitar, headset, and lavalier options makes Shure's BLX wireless systems quite versatile. And the ability to run up to 12 compatible systems per band protects your investment, letting you start out modestly and expand as necessary.

Shure BLX4 Wireless Receiver Features:
  • 1-touch QuickScan frequency selection quickly locates the best open frequency
  • Up to 12 compatible systems per frequency band (region-dependent)
  • 2-color audio status indicator LED
  • XLR and 1/4" output connectors
Take the stage confidently with Shure's BLX4 Wireless Receiver!

Worry-free Wireless!

We wanted you to know that all of the wireless systems you see here — and all of the wireless systems available at Sweetwater — are 100% compliant with the Federal Communication Commission's new rules governing wireless systems. You can be confident that these systems will work safely and within the permitted frequency/power ranges, just as they are. However, please be aware that by choosing to use systems that operate in the 700MHz range or by modifying a new wireless system you receive from us, you may cause your system to operate outside the FCC's new guidelines. If that's the case, you may need a license to operate the unit. To find out more, visit the FCC's wireless microphone website at or give them a call at (888) CALL-FCC.

Additional Media

Studio Microphone Buying Guide
Wireless Microphone Buying Guide

Tech Specs

Number of Receivers 1
Receiver Frequency Range 512-542 MHz
Range 300 ft. Line-of-sight
Antenna Type Fixed
Receiver Type Table Top
Front Panel Display Yes
Frequency Response 50Hz-15kHz
Dynamic Range 100dB (A weighted)
Outputs 1 x XLR, 1 x 1/4"
Height 1.57"
Width 7.4"
Depth 4.05"
Weight 0.53 lbs.
Manufacturer Part Number BLX4=-H9

Customer Reviews

Based on 2 reviews
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Receiver, Transmitter and Mic (all in one review)

I (at the age of 78) have been asked to perform at one of our casinos on the Gulf Coast. I played at a high end wine social (out by the BIG yachts), at the lounge of one of the best Steak Restaurants - twice and will now be performing for the PRIME Card Holders special party in 10 days. At my last performance, there was a VERY professional sound man who gave me friendly advice about getting a lavalier instead of messing around with a mike, mike stand, etc. WOW - was he ever right. But it wouldn't have happened if I hadn't been recommended to you by a person at the BOSE corporation. I am still getting use to working it, but I am so pleased. My flow with the audience is so much better. Who knows, they may keep me on when I get to 79..........


We've been using these for just under 3 years, and they have both died. They constantly drop signals in the middle of speaking. They'll work fine when we sound check them, then they conflict with literally everything. We've set and reset at least 20 times. We replaced them with some older units we had around and they work much better. Spend more money. Get something different.
Music background: Professional
See also: Wireless Transmitters, Shure, Shure Wireless Transmitters and Receivers, Shure Wireless Transmitters and Receivers