Shure UR4S+ UHF-R single wireless receiver with cascade


Shure UR4S+ wireless receiver


The Shure UR4S+ receivers are part of the flagship Shure UHF-R wireless system and provide single-channel wireless reception for our Shure UR2 or UR1M UHF wireless transmitters. The Shure UR4S+ include RF distribution ports that allow up to 10 Shure UR4 radio receivers to share the RF signal from a single pair of antennae.

3000 selectable Frequencies across 75 MHz bandwidth
Up to 47 compatible channels per band
Cascading: Includes RF distribution ports that allow up to 10 receivers to share the RF signal from a single pair of antennas.
Track Tuning Filtering Technology
Networked Automatic Frequency Selection
Automatic Transmitter Setup (including custom group upload)
Flash Memory to store six 60-channel custom frequency groups
Shure’s patented Audio Reference Companding
Multi-function bit-mapped backlit LCD
Built-in USB & Ethernet network compatibility
Shure’s Wireless Workbench Control/Monitoring Software
Remoteable antennas
Shure’s microprocessor-controlled diversity

Power supply: Internal power supply
Battery status: Yes
RF Carrier Frequency Range: 470-865 MHz, depending on region
Working Range: UR1, UR2, UR1M: 150 m (500 ft.), under typical conditions, 500 m (1600 ft) line-of-sight, outdoors for a single system
NOTE: Actual working range depends on RF signal absorption, reflection and interference
Audio Frequency Response: 40 – 18,000 Hz,(+1 dB, –3 dB).
NOTE: Overall system frequency response depends on the microphone element
Gain Adjustment Range
UR1, UR1M: –20 to +35 dB
UR2: –10 to +20 dB
Modulation: FM (45 kHz max. deviation), compander system with pre- and de-emphasis
RF Power Output
See table above.
Dynamic Range: >105 dB, A-weighted
Image Rejection: >110 dB typical
RF Sensitivity: –110 dBm Typical 12 dB SINAD
Spurious Rejection: >90 dB typical
Ultimate Quieting (ref. 45 kHz deviation): >100 dB, A-weighted
System Distortion (ref. ± 45 kHz deviation, 1 kHz modulation): <0.3% Total Harmonic Distortion typical
Power Requirements: 100 to 240 Vac, 50/60 Hz
Current Drain: 0.8 Amps max.
Battery Life (Typical): UR2: 9.5 hours (low power), 6 hours (high power)
Operating Temperature Range: –18° to +57° C (0° to +135° F)
NOTE: Battery characteristics may limit this range
NOTE: Electrical safety approval is based on a maximum ambient temperature of 35°C (95°F).
Overall Dimensions: 44 mm H x 483 mm W x 366 mm D (1.72 x 19.00 x 14.39 in.)
Net Weight: 4.8 kg (10.6 lbs)
Housing: Galvanized steel