Our shure UHF-R wireless handheld mic systems are supplied with Beta 87A condenser mic capsules as standard but Beta 87C, SM58 or Beta 58 capsules are available as a no-cost option, and KSM9 capsules are available for a small supplement.
Shure UHF-R® Wireless Microphone Systems master the high pressure and extreme conditions of any large-scale touring or installations environment while delivering uncompromising Shure sound. Rock-solid engineering, the latest technology, and unparalleled RF performance provide sound professionals with all the features and flexibility they need to tightly control up to 108 systems for the most elaborate productions.
Our Shure UHF-R single channel wireless handheld mic systems include the following components:
1 x Shure U4D+ dual-channel wireless receiver
2 x Shure UR2 handheld wireless transmitter, fitted as standard with a Shure Beta 87A condenser mic capsule. Shure Beta 87C, SM58 or Beta 58 capsules are available as a no-cost option, and KSM9 capsules are available for a small supplement.
2 x microphone stand
2 x twig antennae
Our Shure UHF-R systems are in Band K4E, covering the frequency range 606 – 666 MHz (Channels 38 – 45) and can operate on up to 10 simultaneous frequencies in Channel 38 without intermodulation. Additional systems may require a Fixed Site License which can be obtained from OFCOM.
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Shure UR2 handheld transmitter specs
| Transmitter Type | Handheld |
| Dimensions | 254 mm x 51 mm |
| Weight | 316 g |
| Battery | 2 x AA |
| Endurance | 9.5 hours (low power) |
| 6 hours (high power) |
| RF Carrier Frequency Range | 606-666 MHz |
| Channels 38-45 |
| Working Range | 150 m typical conditions |
| 500 m line-of-sight, outdoors, single system |
| Actual working range depends on RF signal absorption, reflection and interference |
| Audio Frequency Response | 40 – 18,000 Hz,(+1 dB, –3 dB). |
| Overall system frequency response depends on the microphone element |
| Gain Adjustment Range | –10 to +20 dB |
| Modulation | FM (45 kHz max. deviation) |
| compander system with pre- and de-emphasis |
| RF Power Output | 10 / 50 mW |
| Dynamic Range | >105 dB, A-weighted |
| Signal Polarity | Positive pressure on microphone diaphragm 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 |
| Current Drain | 180 mA max. (normal RF power setting) |
| 240 mA max. (high RF power setting) |
| Operating Temperature Range | –18° to +57° C (0° to +135° F) |
| Battery characteristics may limit this range |
| Electrical safety approval is based on a maximum ambient temperature of 35°C (95°F). |
| Housing | Aluminium die-cast handle and aluminium machined battery cup |
Shure UR4D+ receiver specs
| 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 |
| Actual working range depends on RF signal absorption, reflection and interference |
| Audio Frequency Response | 40 – 18,000 Hz,(+1 dB, –3 dB). |
| 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 | –107 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) |
| Battery characteristics may limit this range |
| 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 |
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