Shure AD2/B58A

Wireless Handheld Microphone Transmitter for Live Vocal Performance

Shure AD2/B58A is a high-performance handheld wireless transmitter designed for use with Axient® Digital Wireless Systems. Featuring the industry-standard Beta 58A capsule, dual transmission modes, and robust battery options, this transmitter delivers outstanding audio quality, extended operating range, and secure transmission for professional stage and broadcast environments.

Shure AD2/B58A Competitive Differences

• Compatible with Axient® Digital Wireless Systems
• Beta 58A supercardioid dynamic capsule for exceptional vocal clarity
• Wide tuning bandwidth up to 184 MHz for maximum frequency flexibility
• Two transmission modes: Standard for optimal coverage and High Density for high channel count in congested environments
• Secure AES-256 encrypted digital transmission
• Rugged metal construction with low-profile, lockable power switch
• Rechargeable via Shure SB900B battery (up to 11+ hours runtime) or AA batteries (≈8 hours at 10 mW)
• Backlit LCD with intuitive menu navigation
• External contacts for docked charging compatibility

Shure AD2/B58A Description

The Shure AD2/B58A handheld wireless transmitter integrates Shure’s leading-edge Axient® Digital technology with the legendary Beta 58A microphone cartridge. Built to withstand the rigors of touring and live sound production, its rugged metal construction ensures long-term durability, while the backlit LCD provides easy control and monitoring even in low-light environments.

Designed for flexibility, the AD2/B58A features a wide tuning range of up to 184 MHz, allowing it to adapt to a wide range of RF environments. The dual transmission modes — Standard and High Density — make it ideal for both open and crowded spectrum scenarios. Whether you're operating in a small venue or a large-scale production with hundreds of wireless channels, the AD2/B58A offers the performance and reliability professionals demand.

Choose between standard AA batteries or Shure's SB900B rechargeable battery for power. With the SB900B, you get over 11 hours of runtime and the added convenience of docked charging through built-in external contacts.

Note: When purchasing separate wireless components, always ensure all frequency bands match for proper system operation.

AD2/B58A Features

• Works with Axient® Digital Wireless Systems
• Equipped with Beta 58A supercardioid dynamic microphone capsule
• Wide tuning bandwidth up to 184 MHz
• Standard and High Density transmission modes
• Secure AES-256 encryption
• Durable metal construction with black finish
• Rechargeable SB900B battery option or standard AA batteries
• External charging contacts for docked recharging
• Backlit LCD display with intuitive controls
• Low-profile, lockable power/mute switch

AD2/B58A Specifications

• RF Output Power: 2 mW / 10 mW / 35 mW selectable
• Operating Range: Up to 330 ft (100 m) line-of-sight
• Battery Life: ≈11 hours (SB900B), ≈8 hours (AA at 10 mW)
• Transmission Modes: Standard and High Density
• Audio Frequency Response: ~50 Hz–16 kHz (capsule dependent)
• Gain Adjustment Range: –12 to +21 dB in 3 dB steps
• Latency: 2–2.9 ms depending on mode
• Dimensions: 10.1″ × 2″ (256 × 51 mm)
• Weight: 12 oz (0.75 lb / 340 g) without batteries
• UPC: 042406526234

What’s In The Box

• Shure AD2/B58A handheld transmitter
• Beta 58A microphone cartridge (installed)
• Microphone clip
• Zippered carrying pouch
• 2 × AA alkaline batteries
• User guide

(Shure AD2/B58-G57)