The ULXD4D is a two-channel rack mountable wireless receiver designed for use with Shure’s ULX-D® Digital Wireless Systems. ULXD4D units offer high quality 24-bit/48 kHz audio, AES 256-bit encryption, and intelligent RF performance. ULX-D wireless systems are built for the most demanding professional sound reinforcement applications and deliver uncompromising, rock-solid wireless performance. 
 
The front panel is equipped with a push-button control knob for easy menu navigation along with a one-touch IR sync button. The LCD screen has adjustable brightness and contrast as well as a lockout feature to prevent unwanted changes. Each audio channel is equipped with channel select buttons, RF and audio LED meters for quick reference, and gain adjustment buttons that provide up to 60 dB of gain. 
 
The rear panel has a switchable mic/line XLR output for each channel, two in total, and Ethernet ports for connecting with a DANTE digital audio network. 
 
Among the many features packed into the ULXD4D is Intelligent Scanning, which helps ensure the best possible performance quality by automatically finding and assigning the best available frequency. Interference alerts are provided on both the ULXD4D and Wireless Workbench 6. 
 
The ULXD4D is road-ready thanks to its rugged metal chassis. 
 
Be sure to match the frequency band when purchasing wireless microphone system components separately to ensure proper operation.