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UR4D+ Dual Wireless Receiver, cascading version

The UR4S+ and UR4D+ receivers are part of the flagship UHF-R system and provide single and dual-channel options for premium wireless. As "+" versions, these receivers include RF distribution ports that allow up to 10 receivers to share the RF signal from a single pair of antennas.

What is the difference between a UR4D+ and a UR4S+?

The UR4S+ is a single channel receiver, and the UR4D+ is a dual channel receiver.

How many UHF-R systems can I use together?

You can use up to 57 compatible systems together without audio degradation or interference. Within a given frequency band, you can choose from 3080 selectable frequencies across a 77MHz bandwidth.

Can I easily set up and remotely monitor the UR4D+?

Using the Shure Wireless Workbench® System Control Software, which is included with the receiver, you can remotely monitor and control individual and networked receivers.

What does the "+" mean?

In addition to the former UR4D and UR4S, the UR4D+ and the UR4S+ include RF distribution ports that allow up to 10 receivers to share the RF signal from a single pair of antennas.

Features
  • 3080 selectable frequencies across 77MHz bandwidth
  • Up to 57 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
   

  • Technical Data

     

    Power Supply Internal power supply
    Battery Status Yes
    RF Carrier Frequency Range 470-865, 944-952 MHz depending on region
    Working Range UR1, UR2
    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: –20 to +35 dB
    –10 dB recommended for guitar
    UR2: –10 to +20 dB
    Modulation FM (45 kHz max. deviation), compander system with pre- and de-emphasis
    Dynamic Range >105 dB, A-weighted
    Image Rejection >110 dB typical
    RF Sensitivity UR4S+
    –110 dBm Typical
    12 dB SINAD
    –105 dBm Typical
    30 dB SINAD
    UR4D+
    –107 dBm Typical 
    12 dB SINAD
    –102 dBm Typical
    30 dB SINAD
    Spurious Rejection >90 dB typical
    Ultimate Quieting (ref. 45 kHz deviation) >100 dB, A-weighted
    Signal Polarity Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on XLR output pin 2 with respect to XLR pin 3 and on the tip of the 1/4-inch output jack.
    System Distortion (ref. ± 45 kHz deviation, 1 kHz modulation) <0.3% Total Harmonic Distortion typical
    Power Requirements UR1, UR2: Two 1.5V AA batteries
    UR1M: Two 1.5V AAA batteries
    UR4+:100 to 240 VAC, 50/60 Hz
    Current Drain UR1, UR2: 180 mA max. (normal RF power setting)
    240 mA max. (high RF power setting)
    UR4D+, UR4S+: 0.8 Amps max.
    Battery Life (Typical) UR1, UR2: 9.5 hours (normal RF power), 6 hours (high RF power)
    UR1M: 5 hours (normal RF power), 3 hours (high RF)
    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 UR1: 98 mm L x 60 mm W x 17 mm D (3.84 x 2.38 x 0.66 in.)
    UR2/SM58: 261 mm L x 51 mm Dia. (10.27 x 2 in.)
    UR2/SM86: 261 mm L x 51 mm Dia. (10.27 x 2 in.)
    UR2/SM87A: 254 mm x 51 mm Dia. (10 x 2 in.)
    UR2/KSM9/BK, UR2/KSM9/SL: 250 mm x 49 mm Dia. (9 7/8 x 1 15/16 in.)
    UR2/BETA 58: 258 mm L x 51 mm Dia. (10.15 x 2 in.)
    UR2/BETA 87A, UR2/BETA 87C: 254 mm x 51 mm Dia. (10 x 2 in.)
    UR4S+/UR4D+: 44 mm H x 483 mm W x 366 mm D (1.72 x 19.00 x 14.39 in.)
    Net Weight UR1: 97 g (3.4 oz.) without batteries
    UR2/SM58: 356 g (12.6 oz.) without batteries
    UR2/BETA 58: 314 g (11.1oz.) without batteries
    UR2/SM86: 317 g (11.2 oz.) without batteries
    UR2/SM87A: 298 g (10.5 oz.) without batteries
    UR2/KSM9/BK, UR2/KSM9/SL: 410 g (14.5 oz.) without batteries
    UR2/BETA 87A, U2/BETA 87C: 325 g (11.5 oz) without batteries
    UR4S+: 4.8 kg (10.6 lbs)
    UR4D+: 5.0 kg (11.0 lbs)
    Housing UR1, UR1M: Cast magnesium
    UR2: Aluminum die-cast handle and aluminum machined battery cup
    UR4S+, UR4D+: Galvanized steel
       

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