Part of the ULX-D wireless series, the Shure ULXD4Q Wireless Receiver 902-928 MHzhouses 4 independent digital receivers in a rugged, single-rack unit with an internal power supply. Two Ethernet ports support Dante digital audio, while RF cascade ports allow for antenna signal distribution to another receiver unit. Audio summing enables the receiver to function as a 4-channel mixer.

The ULX-D Series simplifies the set up and management of large numbers of wireless systems. It is ideal for professional sound reinforcement applications in large live venues and houses of worship, as well as A/V installations in conference, educational, and corporate facilities. Compatible with a wide selection of Shure transmitters and mic capsules, it delivers pristine 24-bit/48 kHz digital audio, capturing every detail with clarity, accurate low end, and crisp transient response.

The ULX-D operates in the UHF band, utilizing Digital Predictive Switching Diversity to protect the transmission from interference, delivering rock-solid RF signal stability without audio artifacts. In Standard mode you can run up to 17 channels per 6 MHz TV channel, at a range up to 330'. Alternatively, the High-Density mode lets you run up to 47 channels per 6 MHz TV channel, at a maximum range of 98'. The system offers AES-256 encryption for security.

Each receiver module has its own audio and RF meters, 60 dB of gain control, and XLR output. A large LCD screen and intuitive controls let you quickly make adjustments, even in low-light situations. Additional features include automatic frequency scanning, IR sync, gain optimization to match any input source, and internal limiting to prevent clipping.

The Ethernet ports also allow multiple receivers to be easily networked together for simplified frequency coordination and deployment via Shure's Wireless Workbench software. In addition, the Channels Mobile App enables you to control the system remotely from an iOS device.

For Large Venues & A/V Installations    4 x Digital Audio Channels, 1 Rackspace    26 MHz Tuning Range    Expandable up to 12 Channels    2 x Ethernet/Dante Ports    2 x RF Cascade Ports    Audio Summing    Secure AES-256 Encryption

• 24-bit/48 kHz digital audio delivers clear and accurate sound reproduction
• Extended 20 Hz to 20 kHz frequency range with flat response
• >120 dB wide dynamic range for excellent signal-to-noise performance
• Up to 60 dB of independently adjustable gain for each channel
• Works with a wide selection of Shure mics and transmitter types including the ULXD1 bodypack and ULXD2 handheld transmitters that provide complete mobility for presenters/performers, and the ULXD6 boundary and ULXD8 gooseneck base transmitters to accommodate meeting rooms with flexible seating layouts 

• 4-channel receiver operates in the X52: 902 to 928 MHz unlicensed UHF band—targeted for use where UHF "TV band" spectrum is limited or congested
• 26 MHz tuning range lets you run up to 12 channels at the same location in Standard mode or 30 channels in High-Density mode
• Digital Predictive Switching Diversity uses a microprocessor to switch antennas before dropouts occur
• Bodypack frequency diversity ensures uninterrupted audio for mission-critical applications using two discrete bodypacks on a single audio source
• 256-bit AES encryption offers unbreachable privacy—uses unique, randomized encryption key generated every time encryption is enabled
• Interference detection and alerts provide instant confirmation on both the receiver LCD and WWB software when interference is present
• Adding UA874 active antennas or PA805 passive antennas increases the range of your system and offers increased protection against interference
• The UA844+SWB antenna distribution system (available separately) lets you stretch the power of your antenna pairs, giving you more on-air channels in less setup time

Networked Control

• Ethernet networking enables real-time, precision monitoring, and control of your system, as well as automatic frequency coordination across multiple receivers, using Wireless Workbench, SystemOn, and Axient Spectrum Manager software
• Compatible with external controllers such as AMX and Creston
• Cross subnet control-enabled for management between multiple facilities or venues

Networked Audio

• Dante support allows you to seamlessly send uncompressed, multichannel audio over standard IP Ethernet networks with low-latency, sample-accurate synchronization, and automatic device discovery—on the same network as IT and control data

Two RF Cascade Ports

• Allow distribution of RF antena signals to another receiver unit—ports provide DC bias voltage to power active antennas

Functionality

• Optimized scanning automatically finds, prioritizes, and deploys the cleanest frequencies to transmitters over IR sync
• Proprietary Gain Ranging optimizes system dynamic range for any input source, eliminating the need for transmitter gain adjustments
• Internal limiter automatically engages to prevent digital clipping of your audio
• Each receiver has an individual gain control and an XLR output with switchable mic/line level
• Quick visual check using audio and RF LED meters with peak indicators
• Intuitive front-panel controls with lockout feature and easily readable LCD with adjustable contrast
• Remote Control: Make adjustments anywhere in the venue via the Channels Mobile App for iOS devices
• Yamaha device ID allows simplified channel patching on CL consoles
• Smart Power Management on Transmitters: Advanced SB900A lithium-ion rechargeable batteries with SBC chargers provide extended transmitter battery life over alkaline batteries, battery-life metering in hours and minutes (accurate to within 15 minutes), and detailed tracking of battery health status

Related Questions and Answers

Q: 1. Will this unit work with a digital camera?

A: The Nady DW-22 HTLT Digital Wireless Microphone System has the potential to work with a digital camera, but compatibility would largely be influenced by the capabilities and specifications of the camera. The camera should have an audio input jack capable of receiving an external audio input, and the set would need the proper cables to connect the two units together.

Q: 2. Does this newer receiver work with the previous gen UTX-B03 transmitter? I need to add a 2nd receiver to my kit.

A: Yes, this URX-P40 receiver will work with the previous generation UTX-B03 transmitter as long as they both operate on the same frequency band.

Q: 3. What are the choices of frequencies. Already have 915.30 aand 916.80?

A: The entire DW-22 series are 900mHz: https://bhpho.to/3gpl5Qh

Q: 4. How does battery charging work here?

A: The transmitter within the Nady PEM-02 Wireless 2-Person In-Ear Monitoring System uses an AC power supply, and the included bodypack receivers use AA batteries. If the AA batteries chosen are rechargeable, they should have their own proprietary charger.

Q: 5. how to make it receive?

A: In order for the wireless receiver to work, you will need to use a compatible transmitter with a microphone that operates on the same frequency band such as the Samson AH9 Wireless Transmitter with Fitness Headset Microphone - K: 470 to 494 MHz (B&H # SASW9QTCEK). The Samson AirLine 99m AH9 Wireless UHF Fitness Headset System - K: 470 to 494 MHz (B&H # SAW9A9SQEK) is the complete wireless system that includes the receiver and transmitter with a microphone.

Q: 6. Will the receiver transmit static when the mics are turned off?

A: Whether a receiver creates noise while unpaired to its correlating transmitters is not a specification that manufacturers make known. In theory, the receiver in the Nady DW-22 HTHT Digital Wireless Microphone System should not present any extra noise when not paired to the microphone transmitters. However, as this device operates on open channels, it is susceptible to RF activity in the surrounding area, which could manifest as audible static noise.

Q: 7. How does this receiver compare to the Sennheiser EK 500 G4 Diversity Receiver Freq.Range Aw+ 470-558 MHz?

A: This receiver is designed for rack mount or table top applications. This allows the receiver to be ac powered from a wall outlet versus the need for batteries. As well, this unit has dual bnc antennas which can be attached to antenna distribution, useful when using a large amount of wireless in a venue. This unit is really meant for live sound or studio applications where the receivers will be stationary and in a rack. The EK500 is designed for portability.

Q: 8. If URX-P40 receiver is backwards compatible for use with an older UTX-B2 Is it legal or not to use in USA the old Sony UTX-B2 Transmitter because it uses the frequencies 638.125-661.875 MHz ? I've heard that using microphones in this range is noy legal anymore. Can someone clarify this?

A: The FCC recently made changes to regulations for use of the 600 MHz band within the United States. Frequencies above 616 MHz are now designated for broadband use and can no longer be used for operating wireless microphones. More details are available here: https://www.fcc.gov/consumers/guides/operation-wireless-microphones

Q: 9. Can you remove the antennas?

A: No, the antennas in the rear of the DW-22 receiver are not removable, but they can be adjusted for tilt and angle.

Q: 10. Will this receiver work with the Sennheiser SK 500 G4 Bodypack Transmitter Freq.Range Aw+, 470-558 MHz?

A: Yes, it will work with the SK500G4 AW+.