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Shure UR2/B58A Handheld Wireless Transmitter

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Shure UR2/B58A Handheld Wireless Transmitter

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Description

Intended for use with the Shure UHF-R series, the UR2 handheld transmitter is rugged and designed to withstand the rigors of daily use on the road. The transmitter is available with Shure SM58, SM86, SM87A, Beta 58, Beta 87A and Beta 87C capsules. 10 or 50 mA switchable output power provides extended range whenever necessary. The UR2 features a backlit LCD display and is powered up to 9 hours on 2 AA alkaline batteries (low RF power). Read more

Features

  • Beta 58 Microphone Head
  • Frequency G1 / 470-530MHz

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Intended for use with the Shure UHF-R series, the UR2 handheld transmitter is rugged and designed to withstand the rigors of daily use on the road. The transmitter is available with Shure SM58, SM86, SM87A, Beta 58, Beta 87A and Beta 87C capsules. 10 or 50 mA switchable output power provides extended range whenever necessary. The UR2 features a backlit LCD display and is powered up to 9 hours on 2 AA alkaline batteries (low RF power). Read more

Features

  • Beta 58 Microphone Head
  • Frequency G1 / 470-530MHz

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About the Shure UR2/B58A Handheld Wireless Transmitter

The Shure UR2/B58A is a premium integrated wireless handheld transmitter that combines the industry-leading UHF-R wireless circuitry with the legendary Beta 58A supercardioid dynamic microphone capsule. This system is engineered for the most demanding professional vocalists and front-of-house engineers, providing exceptional wireless stability and the distinctive, bright vocal tone for which the Beta 58A is renowned. The handheld unit features a rugged metal body integrating the full-featured UR2 transmitter, offering advanced capabilities like selectable RF power, infrared synchronization, and a detailed backlit LCD display for monitoring frequency, battery life, and audio levels. The Beta 58A capsule offers a supercardioid polar pattern for superior feedback rejection and off-axis noise isolation compared to standard cardioid microphones.

The transmitter operates on the sophisticated UHF-R platform, known for its crystal-controlled frequency agility, high-density mode operation, and advanced companding that delivers clear, transparent audio. It supports remote monitoring and control when used with Shure Wireless Workbench software via a UA888 interface, allowing for system-wide frequency coordination and management. Powered by two AA batteries, it provides substantial operating time, and its robust construction is built to endure the rigors of international touring. The integration of this specific capsule makes it the transmitter of choice for vocalists who require a microphone that can cut through a dense mix with pronounced presence and clarity while offering the absolute reliability of professional wireless.

For major touring acts, broadcast applications, and large-scale installations where wireless performance cannot be compromised, the UR2/B58A represents the gold standard. It delivers the iconic, focused sound of the Beta 58A with the rock-solid RF link, extensive control, and interference rejection of the UHF-R series. This combination ensures that vocal performances are captured and transmitted with utmost fidelity and reliability, show after show.

Key Features

  • Beta 58 Microphone Head
  • Frequency G1 / 470-530MHz

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Shure UR2/B58A Handheld Wireless Transmitter Specs

Transmitter Unit
Model
UR2 Handheld
RF Carrier Range
UHF, Programmable (e.g., 470-614 MHz)
RF Output Power
10 mW / 20 mW / 50 mW (Selectable)
Modulation
Wideband FM
Diversity
True (with UR4D/UR4S Receiver)
Microphone Capsule
Model
Beta 58A
Transducer Type
Dynamic
Polar Pattern
Supercardioid
Frequency Response
50 Hz to 16,000 Hz
Power & Control
Battery Type
2x AA Alkaline
Battery Life (at 50 mW)
Approx. 8 Hours
Display
Backlit Graphical LCD
Sync
Infrared Port
Audio Performance
Audio Frequency Response
50 Hz to 15 kHz
Dynamic Range
>120 dB
THD
<0.5% @ 1 kHz
Maximum SPL
>150 dB SPL
Physical Specifications
Connector
Integrated Locking Thread
Body Material
Metal
Length
9.6 in (244 mm)
Weight (without batteries)
13.4 oz (380 g)

Key Features

  • Beta 58 Microphone Head
  • Frequency G1 / 470-530MHz

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FAQs about Shure UR2/B58A Handheld Wireless Transmitter

What wireless systems and receivers are compatible with the Shure UR2/B58A?

The UR2/B58A is a flagship handheld transmitter designed specifically for Shure UHF-R series wireless microphone systems, pairing natively with UR4S and UR4D receivers. It can also sync with select legacy UHF series units as long as both devices share the exact same frequency band.

What microphone capsule is installed on this transmitter?

It features the Shure Beta 58A supercardioid dynamic capsule, engineered for close-up lead vocals in demanding live stage environments. The tight supercardioid pickup pattern delivers high gain-before-feedback, excellent isolation from nearby instruments, and a brightened midrange with controlled bass rolloff.

Can the Beta 58A capsule head be interchanged with other microphones?

Yes, the UR2 transmitter features Shure’s interchangeable capsule design. You can easily unscrew the Beta 58A head and replace it with other compatible Shure cartridges, including the SM58, Beta 87A, KSM8, or KSM9.

What are the battery requirements and expected runtimes?

The transmitter operates on two standard AA alkaline batteries, providing up to 9.5 hours of continuous runtime at the standard 10 mW RF setting and approximately 6 hours at the 50 mW setting. It is also compatible with rechargeable NiMH and AA lithium batteries for extended performance.

Does the UR2 offer selectable RF output power?

Yes, the transmitter includes switchable RF power levels (10 mW or 50 mW, depending on regional regulations). The lower 10 mW setting reduces intermodulation and saves battery life in high-channel-count setups, while the 50 mW setting boosts transmission strength to resist interference across longer distances.

How is the transmitter synced to the receiver?

Syncing is handled via infrared (IR) automatic transmission. After running an open-frequency scan on your UHF-R receiver, align the IR ports on both the receiver and the transmitter's handle to instantly transfer frequency and configuration data.

Can settings and power buttons be locked out during live performances?

Yes, the transmitter provides comprehensive menu lockouts for both power and frequency controls. This prevents performers or speakers from accidentally switching off the microphone or altering transmission settings mid-performance.

What details are displayed on the transmitter's backlit LCD?

The built-in backlit LCD shows the current operating group and channel, exact tuned frequency, RF power setting, audio input level metering, and real-time battery status. It also indicates when keylock or power-lock modes are currently engaged.

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