Shure QLXD14/85

Shure QLX-D Wireless Microphone System User Manual

Model: QLXD14/85

Introduction

The Shure QLX-D Digital Wireless System is designed for mid-size venues requiring robust wireless capability. It offers high-quality 24-bit digital audio and wide frequency response for clear and accurate sound reproduction. The system features advanced encryption for secure transmission and flexible power options, including rechargeable lithium-ion batteries.

This manual provides detailed instructions for setting up, operating, and maintaining your QLX-D Wireless Microphone System to ensure optimal performance.

Shure QLX-D Wireless Microphone System components including receiver, bodypack transmitter, and two antennas.

Figure 1: Shure QLX-D Wireless Microphone System (QLXD14/85) with receiver, bodypack transmitter, and antennas.

Setup

Proper setup is crucial for optimal performance of your QLX-D system. Follow these steps to get started:

1. Connect Antennas

Connect the two included antennas to the A and B connectors on the rear panel of the QLX-D receiver. Ensure they are securely fastened.

Rear view of Shure QLX-D receiver with antennas connected.

Figure 2: Connecting antennas to the QLX-D receiver.

2. Connect Power Supply

Connect the power supply to the receiver's power input and then to a suitable power source. Press and hold the power button on the receiver's front panel to turn it on.

3. Connect Receiver Audio Output

Connect the receiver's audio output to your mixing console or amplifier. If connecting to a microphone input, use the XLR output and set the mic/line switch to 'mic'. If connecting to an instrument amplifier, use the 1/4-inch output. The mic/line switch position does not affect the 1/4-inch output.

4. Find an Open Channel

On the receiver, press the 'menu' button to access the scan function. Press 'enter' to initiate a scan for available frequencies. The display will show the recommended group and channel once the scan is complete.

Close-up of multiple Shure QLX-D receivers stacked in a rack, showing their digital displays.

Figure 3: QLX-D receivers displaying channel information.

5. Install Batteries and Sync Transmitter

Install the batteries into your transmitter (handheld or bodypack) and turn it on. To sync the transmitter with the receiver, press the 'sync' button on the receiver. Align the transmitter's IR window with the receiver's IR window, approximately 6 inches apart. Once synced, "Good" will display on the receiver, and the blue RF LED will illuminate, indicating successful connectivity.

Shure QLX-D system with a microphone, receiver, and a laptop displaying wireless system software.

Figure 4: Syncing the transmitter with the receiver.

Operating

Once your QLX-D system is set up, follow these guidelines for operation:

Audio Level Monitoring

During your sound check, monitor the audio meter and LED on the receiver. The meter should display at least three bars, and the LED should be green. If necessary, adjust the gain using the arrow buttons on the front of the receiver to achieve optimal audio levels without clipping.

A hand adjusting controls on a Shure QLX-D receiver.

Figure 5: Adjusting audio gain on the QLX-D receiver.

Wireless Workbench Software

For advanced control and monitoring, utilize the Wireless Workbench software. This software provides real-time access to system parameters, allowing for streamlined setup across multiple receivers and comprehensive monitoring throughout your performance. The system can also be managed from an iOS device using ShurePlus Channels for iOS.

Maintenance

To ensure the longevity and optimal performance of your Shure QLX-D system, regular maintenance is recommended:

Battery Management: The system supports rechargeable lithium-ion batteries, which offer extended performance and cost savings. Ensure batteries are fully charged before each use. For optimal battery life, follow the manufacturer's guidelines for charging and storage.
Cleaning: Regularly clean the exterior of the receiver and transmitters with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
Antenna Care: Handle antennas with care to prevent bending or damage. Ensure they are securely connected during operation.
Firmware Updates: Periodically check the Shure website for firmware updates. Updates can improve performance, add new features, and address potential issues. Firmware updates can be performed via Ethernet networking.

Troubleshooting

If you encounter issues with your QLX-D system, refer to the following common troubleshooting tips:

Problem	Possible Cause	Solution
No Audio Output	Transmitter not synced; Receiver not powered; Incorrect audio output connection; Low battery.	Ensure transmitter is synced (blue RF LED on receiver). Check power supply connection. Verify audio cables are correctly connected to mic/line or instrument/aux output. Replace or recharge transmitter batteries.
Interference/Noise	Nearby wireless devices; Weak signal; Incorrect frequency.	Perform a new frequency scan on the receiver to find a clear channel. Ensure line-of-sight between transmitter and receiver antennas. Keep antennas clear of obstructions.
Low Audio Level	Transmitter gain too low; Receiver gain too low.	Adjust the audio gain on the receiver using the arrow buttons until the audio meter shows sufficient levels without clipping. Check transmitter gain settings if applicable.
Transmitter Not Turning On	Dead batteries; Battery inserted incorrectly.	Replace or recharge batteries. Ensure batteries are inserted with correct polarity.

Specifications

Model: QLXD14/85
Brand: Shure
Item Weight: 8.2 Pounds
Microphone Form Factor: Microphone System
Item Dimensions (L x W x H): 19.3 x 17.2 x 3.6 inches
Power Source: Battery Powered
Number of Batteries: 2 AA batteries required (included)
Material: Metal
Signal-to-Noise Ratio: 120 dB
Number of Channels: 64
Noise Level: 120 dB
Color: Black
Connectivity Technology: USB
Special Feature: Wireless, Rechargeable
Recommended Uses For Product: Live Performance, Recording
Polar Pattern: Unidirectional (for the lavalier microphone, as this is a Cardioid Lavalier system)
Audio Sensitivity: 120 dB

Warranty and Support

For warranty information, technical support, or service inquiries, please visit the official Shure website or contact their customer support. Keep your purchase receipt as proof of purchase for warranty claims.

Official Shure Website: www.shure.com

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