Shure UR4D R9

Features

• 2400 selectable Frequencies across 60 MHz bandwidth
• Up to 47 compatible channels per band
• 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

Further Technical Specifications

• RF Carrier Frequency Range: 470-952 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
• Dynamic Range: >105 dB, A-weighted
• Image Rejection: >110 dB typical
• RF Sensitivity
  • -107dBm Typical, 12dB SINAD
  • -102dBm Typical, 30db 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