The UR4D+ dual-channel receiver is Shure's industry-standard solution for premium wireless transmission. Technology innovations such as Networked Automatic Frequency Selection and Automatic Transmitter Setup provide advanced control and robust flexibility for a wide range of professional uses. RF distribution ports allow up to 10 receivers to share a single pair of antennas. UHF-R Wireless features the Shure patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology.
2400 Selectable Frequencies Across 60 MHz Bandwidth
Up to 40 Compatible systems per band (149 when using multiple bands)
8 hours of use, AA batteries
40 Hz-18 kHz frequency range, ±2 dB
When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.
FCC CONSUMER ALERT Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
The warning above is legally required, and does not indicate any product safety violations. This warning is to inform the consumer of their right-to-know, read more on our overview page.