The Shure BLX4R is a professional single-channel rackmount wireless receiver designed for use with compatible Shure BLX wireless transmitters. It combines simple setup, Shure QuickScan frequency selection, diversity reception, and professional audio connections in a durable half-rack chassis.

Designed for live sound, houses of worship, schools, theaters, conference facilities, DJs, and installed AV systems, the BLX4R provides an easy way to add a Shure wireless microphone channel to a portable or permanently installed sound system.

The receiver features detachable antennas, front-panel status indicators, adjustable output level, and both balanced XLR and unbalanced 1/4-inch audio outputs for connection to professional mixers, amplifiers, and other audio equipment.

QuickScan Frequency Selection

The BLX4R features Shure's QuickScan frequency selection, simplifying wireless system setup by scanning for an available operating frequency.

This is especially useful when setting up a wireless microphone system in a new venue or working in an environment where other wireless equipment may already be operating.

Once the receiver is configured, the compatible BLX transmitter is set to the corresponding group and channel.

Diversity Wireless Reception

The Shure BLX4R uses diversity reception to help maintain a stable wireless connection between the transmitter and receiver.

This makes the receiver suitable for applications where presenters, performers, musicians, or worship leaders need the freedom to move around the stage or presentation area while using a wireless microphone.

Rackmount Design with Detachable Antennas

Unlike the standard tabletop BLX receiver, the BLX4R is designed for rack installation.

Its half-rack metal chassis is well suited for permanent AV racks, portable wireless racks, touring systems, and other applications where the receiver needs to be securely mounted with the rest of the audio equipment.

The BLX4R also features detachable antennas, providing additional installation flexibility.

XLR and 1/4-Inch Audio Outputs

The BLX4R provides both:

• Balanced XLR output
• Unbalanced 1/4-inch output

These connections make it easy to integrate the receiver with professional audio mixers, powered speakers, amplifiers, DSPs, and other sound system equipment.

Front-Panel System Monitoring

Front-panel indicators allow the operator to monitor important wireless system information during setup and operation.

The receiver provides visual indication of RF activity and audio signal, allowing the operator to quickly confirm that the wireless transmitter is communicating with the receiver and that audio is present.

Shure BLX4R Key Features

• Professional single-channel wireless microphone receiver
• Half-rack receiver designed for rack installation
• Shure QuickScan frequency selection
• Diversity wireless reception
• Detachable antennas
• Front-panel RF and audio status indicators
• Adjustable output level
• Balanced XLR audio output
• Unbalanced 1/4-inch audio output
• Durable metal chassis
• Compatible with appropriate Shure BLX transmitters
• Suitable for permanent and portable sound systems
• Rackmount hardware included
• External power supply included

Shure BLX4R Specifications

Compatible Shure BLX Transmitters

The BLX4R is designed for use with compatible Shure BLX wireless transmitters operating in the same frequency band.

Depending on the application, a BLX system can be configured with compatible:

• Handheld transmitters
• Bodypack transmitters
• Lavalier microphones
• Headset microphones
• Instrument cables

I like including “operating in the same frequency band” here. We don't want a customer assuming that any BLX transmitter will automatically work with any BLX4R regardless of frequency-band version.

Ideal Applications

The Shure BLX4R is well suited for:

• Live performances
• Houses of worship
• Schools and universities
• Auditoriums and theaters
• Corporate presentations
• Conference facilities
• DJs and entertainment systems
• Musicians and performers
• Portable PA systems
• Installed AV systems

What's Included

• Shure BLX4R Wireless Receiver
• Rackmount hardware
• External power supply
• Documentation

Why Choose the Shure BLX4R?

The Shure BLX4R is a good choice when you need the simplicity of a Shure BLX wireless system in a rackmount receiver configuration.

QuickScan helps simplify frequency setup, while diversity reception, detachable antennas, XLR and 1/4-inch outputs, and the metal half-rack chassis make the BLX4R suitable for both portable professional sound systems and permanent installations.

It's particularly useful for installations where wireless receivers need to be organized together in an equipment rack rather than placed individually on a table or equipment shelf.

Why Buy the Shure BLX4R from Audio Supply?

Audio Supply is an authorized Shure dealer, providing genuine Shure wireless microphone systems, receivers, transmitters, microphones, antennas, rack accessories, and replacement components.

Our team can help you select the correct BLX4R frequency band and compatible BLX handheld or bodypack transmitter, along with microphones, cables, rack hardware, and other accessories needed to complete your wireless system.