Product Description
Shure AD2/SM58=-G57 Digital Handheld Wireless Microphone Transmitter with SM58 Capsule (G57: 470 to 616 MHz)
Key Features
- For Axient Digital Systems
- SM58 Dynamic Cardioid Mic Capsule
- Automatic Gain Adjustment
- 2/10/35mW RF Output Power
- Mute Mode, Backlit LCD
- Secure AES-256 Encryption
- Networked Intelligent Charging
- Interchangeable Capsule Design
- 9 Hours with SB900A Rechargeable Battery
Overview
The Shure AD2/SM58 is a digital handheld wireless microphone transmitter compatible with Axient Digital series receivers.
The AD2/SM58 comes equipped with the legendary SM58 dynamic capsule, an industry standard for vocal performers and presenters. The capsule features a cardioid polar pattern that minimizes background noise and feedback, and its brightened midrange and bass roll off gives you that sought-after warm and clear vocal reproduction.
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/SM58 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 Capsule Design
- The interchangeable capsule design allows you to replace the SM58 capsule with a Shure capsule that’s ideal for your application and simply screw it onto the transmitter—including KSM9, KSM8, Beta 58A, 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.
Specifications
| Wireless Technology | Digital UHF | 
| RF Frequency Band | 417 to 616 MHz | 
| RF Bandwidth | 146 MHz | 
| Frequency Step Size | 25 kHz | 
| Max Operating Range | 328.1' / 100 m (Line of Sight) | 
| Latency | 2 to 2.9 ms (Selectable) | 
| Encryption | AES 256 | 
| Modulation | Proprietary | 
| Transmitter Type | Handheld | 
| RF Output Power | 2 / 10 / 35 mW | 
| Audio I/O | None | 
| Muting | Mute Switch | 
| Audio Input Level | 145 dB | 
| Gain Range | -12 to +21 dB (3 dB Steps) | 
| Sync Method | IR | 
| Antenna | 1 x Internal Single-Band Helical (Handheld) | 
| Power Requirements | Battery | 
| Battery Type | 2 x AA (Included) 1 x Shure SB900A (Not Included, Replaceable) | 
| Approx. Battery Life | Med.: 8 Hours (Alkaline) Med.: 9 Hours (Lithium Shure SB900A) | 
| Display & Indicators | 1 x LCD (Battery Status, Channel, Group, Signal Strength) | 
| Housing | Aluminum | 
| Operating Temperature | 0 to 122°F / -17 to 50°C | 
| Storage Temperature | -20 to 165°F / -28 to 73°C | 
| Dimensions | 2 x 10.1" / 51 x 256 mm | 
| Weight | 12 oz / 340 g (without Batteries) | 
| Microphone Type | Handheld Capsule | 
| Sound Field | Mono | 
| Capsule | Dynamic | 
| Polar Pattern | Cardioid | 
| Frequency Range | 50 Hz to 15 kHz | 
 
 
             
       
                     
                     
           
           
                   
           
           
           
           
          