Shure UR2 handheld wireless mic with KSM9 capsule

Shure UR2 wireless mic with KSM9 head

The Shure UR2 wireless transmitter with KSM9 capsule features the Shure KSM9 cardioid/supercardioid condenser vocal microphone head which captures vocal subtlety with extraordinary detail to deliver clear articulation and precise vocal reproduction for live performance. The KSM9 microphone capsule fitted to the Shure UR2 is interchangeable with other Shure microphone capsules. Please see the wireless microphones page for details of other microphone heads that can be fitted to the UR2 UHF radio transmitter.

The flagship Shure UR2/KSM9 Wireless Handheld Transmitter offers the most advanced features and controls including a bit-mapped backlit LCD display, infrared automatic transmitter sync and switchable RF power. It also has frequency and power lockout cabability and can be used continuously for up to 8 hours using 2 x AA Batteries (included). The Shure UR2/KSM9  is made from an all-metal die-cast construction for maximum durability.

This transmitter requires the Shure UR4D+ or UR4S+ receiver to complete the system.

Switchable RF power (10/50 mW country dependant)
Infrared transmitter sync
Bit-mapped backlit LCD
Ergonomic design
All-metal die-cast construction
Frequency and power lockout
2 “AA” batteries (included) for more than 8 hours continous use

Transmitter Type: Handheld
Dimensions: 254 mm x 51 mm
Battery, endurance: 2AA, 9.5 hours (low power) or 6 hours (high power)
Weight: 316 g
Further technical specifications:
RF Carrier Frequency Range: 470-865 MHz, depending on region
Working Range
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: –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)
NOTE: Battery characteristics may limit this range
NOTE: Electrical safety approval is based on a maximum ambient temperature of 35°C (95°F).
Housing: Aluminum die-cast handle and aluminum machined battery cup