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
- 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