Shure BLX User Manual

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BLX

Wireless System

Online user guide for Shure BLX wireless system.

Version: 5.1 (2022-A)

Table of Contents

Other manuals for Shure BLX

User Manual52 pages

Quick Guide17 pages

User Guide12 pages

Questions and Answers:

W
wsanchezJul 31, 2025
What to do if my Shure BLX Microphone system has no sound?
- E
  Elizabeth KlineJul 31, 2025
  If your Shure Microphone system produces no sound or a faint sound, check the following: * If the receiver ready LED is on, verify all sound system connections or adjust gain as needed and ensure the receiver is connected to the mixer/amplifier. * If the receiver ready LED is off, turn on the transmitter, ensure the batteries are correctly installed, perform transmitter setup, and insert fresh batteries. * If the receiver LED screen is off, ensure the DC adapter is securely plugged into the electrical outlet and that the receiver is powered on. * If the transmitter indicator LED is flashing red, replace the transmitter batteries.
B
Brian GarrettAug 7, 2025
Why does my Shure BLX Microphone system have audio artifacts or dropouts?
- R
  Rachel CollinsAug 7, 2025
  Audio artifacts or dropouts in your Shure Microphone system can occur for several reasons: * If the ready LED is flickering or off, try changing the receiver and transmitter to a different group and/or channel. * Identify and remove any nearby sources of RF interference. * Replace the transmitter batteries. * Make sure the receiver and transmitter are positioned within the system parameters. The system should be set up within the recommended range and the receiver should be kept away from metallic surfaces. For optimal sound, the transmitter must be used in line of sight from the receiver.
A
Angel MooreAug 15, 2025
How to fix distortion on Shure BLX Microphone system?
- A
  amandaandersonAug 15, 2025
  If you are experiencing distortion with your Shure Microphone system, and the audio LED on the receiver indicates overload (red), reduce the transmitter gain.
H
Hannah RobertsonAug 22, 2025
What to do if Shure Microphone system sound level varies when switching sources?
- C
  Charles LopezAug 22, 2025
  If you notice sound level variations when switching to different sources on your Shure Microphone system, adjust the transmitter gain as necessary.

Shure BLX Specifications

General

Frequency Response	50 Hz to 15 kHz
Operating Range	Up to 100 m (300 ft)
Battery Life	Up to 14 hours
Transmitter Form Factor	Bodypack
System Type	Wireless
Number of Channels	12
RF Output Power	10 mW
Receiver Outputs	XLR and 1/4"
Transmitter Type	Handheld, Bodypack
Microphone Type	Dynamic
Polar Pattern	Cardioid
Batteries	2 AA
Dynamic Range	100 dB
Total Harmonic Distortion	0.5% typical
Connector Type	XLR, 1/4"
Frequency Range	512–542 MHz, 542-572 MHz, 572-602 MHz, 606-636 MHz, 662-692 MHz, 694-703 MHz, 740-752 MHz, 823-832 MHz, 863-865 MHz (Region Dependent)

Summary

Quick Start Guide

Receiver Setup

Connect receiver to power, mixer/amplifier, and perform group scan.

Transmitter Setup

Install batteries, turn on, and match transmitter group/channel to receiver. Adjust gain.

System Features and Controls

Transmitter Components and Operation

Transmitter Indicators and Battery Management

Wireless System Setup and Configuration

Transmitter Group and Channel Setup

Steps for setting the group and channel on the transmitter.

Multiple System Setup

Guidance for setting up multiple wireless systems simultaneously.

Manual Receiver Group and Channel Setup

How to manually set group and channel on the receiver.

System Operation and Performance

Optimal Audio Setup

Proper microphone placement and headset usage for clear sound.

Gain Adjustment and Battery Management

Gain Adjustment Procedures

System Maintenance and Troubleshooting

Troubleshooting Common Issues

BLX1 Specifications

BLX2 Specifications

BLX4/BLX88 Specifications

Safety and Compliance Information

Important Safety Instructions

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