QLX-D™ Digital Wireless Systems deliver defined, streamlined performance with transparent 24-bit digital audio. Combining professional features with simplified setup and operation, QLX-D offers outstanding wireless functionality for demanding live sound events and installations.

• Shure digital wireless technology enables QLX-D to transmit detailed audio with extended, virtually flat frequency response.
• Designed to be incredibly RF spectrum efficient, QLX-D reliably operates more channels on-air than any other wireless system in its class.
• Automatic channel scan and IR sync make finding and assigning an open frequency quick and easy.
• Ethernet connection provides networked channel scanning across multiple receivers and Shure Wireless Workbench® 6 control software compatibility for advanced frequency coordination.
• AES-256 encryption comes standard and can be easily enabled for secure wireless transmission.
• Compatible with the Shure SB900 lithium-ion battery, QLX-D rechargeable power options provide dramatic long-term cost savings and extended transmitter battery life over alkaline batteries, with battery metering that reports re¬maining runtime in hours and minutes.
• With clearly defined performance, QLX-D delivers the very latest in wireless technology innovation from Shure.

QLXD4: Wireless receiver for use with QLX-D Digital Wireless Systems. Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD4 is a half-rack digital wireless receiver for use with QLX-D™ Digital Wireless Systems. Ideal for presentation spaces, music venues, and houses of worship, the QLXD4 combines professional features with streamlined setup and operation. Automatic scanning quickly finds open frequencies and one-touch sync quickly deploys them to transmitters. Ethernet networking enables networked channel scanning across multiple receivers and Wireless Workbench software integration for remote control of receiver settings from a PC or Mac. 

Features:

• Up to 72 MHz tuning bandwidth (region dependent)
• More than 60 preset compatible channels per frequency band (region dependent)
• 22 systems per 8 MHz channel
• Digital predictive switching diversity ensures solid RF connection
• Automatic Channel Scan quickly finds the cleanest frequency
• IR sync deploys selected frequency to transmitter
• Ethernet networking provides streamlined setup across multiple receivers
• Networked Channel Scan configures open frequencies for all connected receivers
• AES 256-bit encryption for secure wireless transmission
• Up to 60 dB of adjustable audio gain
• High-contrast LCD menu and controls with lockout feature
• Audio and RF LED meters with peak indicator
• Detachable ½ wave antennas
• Mic / line switchable XLR output
• ¼” instrument output
• Durable aluminum construction with brushed finish
• Professional-grade rack hardware included
• Compatible with Shure Wireless Workbench® 6 control software
• Remote monitoring and control from iOS devices via ShurePlus™ Channels mobile app

BETA 87A with QLXD2 Handheld Transmitter: Condenser vocal microphone has supercardioid polar pattern and a smooth, tailored response for warm, accurate sound. Featuring transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (330 ft.) range. All metal construction ensures durability, and a wide selection of compatible microphone choices offer legendary Shure sound signatures. 

Features:

• 20 Hz to 20 kHz frequency range with flat response (actual response is microphone dependent)
• Interchangeable Shure microphone capsules, including the legendary SM58®
• AES 256-bit encryption for secure transmission
• Over 120 dB of dynamic range – no transmitter gain adjustment needed
• 1, 10 mW selectable RF output power
• Up to 9 hours continuous use with 2 x AA alkaline batteries
• Optional Shure SB900 lithium ion rechargeable battery provides up to 10 hours of continuous use and reports remaining runtime in hours and minutes
• External charging contacts for docked charging
• Backlit LCD with easy to navigate menu and controls
• Selectable display mode showing group/channel, frequency, or battery runtime
• 100 meter (330 ft.) line-of-sight operating range
• Rugged metal construction
• Frequency and power lockout