Shure AD2/B58 Digital Handheld Wireless Microphone Transmitter

Shure AD2/B58 Digital Handheld Wireless Microphone Transmitter

The Shure AD2/B58 is a digital handheld wireless microphone transmitter compatible with Axient Digital series receivers.

The AD2/B58 comes equipped with a Beta 58A dynamic capsule designed for close-up vocals, with brightened midrange and bass roll-off to control proximity effect. The capsule features a supercardioid polar pattern that ensures high gain before feedback, maximum isolation from other sound sources, and minimum off-axis tone coloration.

The transmitter operates in a single 146 MHz ultrawide UHF bandwidth with selectable 2/10/35mW RF output power and a transmission range up to 330′. It provides up to 8 hours of operation on two AA batteries and up to 9 hours with an SB900A lithium-ion rechargeable battery (available separately).

With a durable, moisture-resistant, lightweight aluminum case, the AD2/B58 transmitter delivers pristine audio quality and RF performance, AES 256-bit encryption for secure transmission, and advanced rechargeability options, making it ideal for high-profile, sound-reinforcement applications.

Interchangeable Design with Beta 58A Capsule

• The Beta 58A features a neodymium magnet for high signal-to-noise output
• The hardened steel-mesh grille resists wear and abuse
• The interchangeable capsule design allows you to replace the Beta 58A capsule with a Shure capsule that’s ideal for your application and simply screw it onto the transmitter-including KSM9, KSM8, SM58, Beta 87A, Beta 87C capsules, and more

User-Friendly Features in a Rugged Housing

• The unit quickly syncs with a wireless receiver via infrared at the touch of a button
• Automatic Gain adjusts the mic input level for you
• The power button conveniently doubles as mute switch, while preserving RF lock
• Frequency and power lockout functions prevent accidental or unauthorized changes during events
• A backlit LCD with easy-to-navigate menu and controls lets you quickly access frequency, group, and channel settings, along with mute and lock status, RF output, and remaining battery life
• Offset function lets you balance mic levels when assigning multiple transmitters to a single receiver slot. Adjustment range: -12 to +21 dB
• 2/10/35mW selectable RF output power allows you to increase either the transmitter’s range or the number of mics operating simultaneously
• Two transmission modes: Standard for optimal coverage and High-Density for maximum system channel count and robust coverage

Convenient Power Management Options

• Optional SB900A rechargeable battery offers intelligent power management with precision metering in hours and minutes, and zero memory effect
• External charging contacts allow for docked battery charging
• SBC220 two-bay and SBC840 eight-bay networked chargers (both available separately) allow for remote power monitoring via Shure’s Wireless Workbench software

Features:

• For Axient Digital Systems
• Beta 58A Dynamic Supercardioid Mic
• Automatic Gain Adjustment
• 2/10/35mW RF Output Power
• Mute Mode, Backlit LCD
• Secure AES-256 Encryption
• Networked Intelligent Charging
• Interchangeable Capsule Design
• 9 Hr with SB900A Rechargeable Battery

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• Max Operating Range: 328.1' / 100 m (Line of Sight)
• RF Channel Scanning: Auto-Scan
• Max Operating Range: 328.1' / 100 m (Line of Sight)
• Latency: 2 to 2.9 ms (Selectable)
• Encryption: AES 256
• Timecode Support: No
• Mobile App Compatible: No

Transmitter:

• RF Output Power: 2 / 10 / 35 mW
• Built-In Microphone: No
• Muting: Mute Switch
• Gain Range: -12 to +21 dB (3 dB Steps)
• Auto-Level/Gain: Yes
• Sync Method: IR

Microphone:

• Color: Silver
• Transmitter Battery Life:
• Med: 8 Hours (Alkaline)
• Med: 9 Hours (Lithium Shure SB900A)