Shure Axient ADX2

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he Shure ADX2/SM58 is a digital handheld wireless microphone transmitter compatible with Axient Digital series receivers. It is ShowLink-enabled for automatic interference avoidance and real-time remote control of parameters.

The ADX2/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. It provides up to 9 hours of operation on an SB920 rechargeable battery, with a transmission range up to 330′ and a selectable 2/10/40mW RF output power.

With a durable, moisture-resistant, lightweight aluminum case, the ADX2/SM58 transmitter delivers pristine audio quality, mission-critical RF performance, AES 256-bit encryption for secure transmission, and advanced rechargeability options, making it ideal for high-profile, sound-reinforcement applications.

ShowLink Enabled for Interference Avoidance & Parameter Control
ShowLink technology allows the ADX transmitter to execute an automatic, synchronized frequency change in a matter of milliseconds, ensuring clean, uninterrupted transmission, even in the most challenging RF environments.
You can also make instantaneous remote adjustments to your ADX transmitter settings (RF output, gain, mute, and more) when it is difficult or impossible to access the transmitter.
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.
2/10/40mW 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
Operates for up to 9 hours on an SB920 rechargeable lithium-ion battery.
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.

Wireless Technology
Digital UHF
Max Operating Range
328.1′ / 100 m (Line of Sight)
Transmitter Type
Handheld
Audio I/O
No
Microphone Type
Handheld Capsule
Polar Pattern
Cardioid
RF Frequency Band
470 to 630 MHz
RF Bandwidth
146 MHz
Frequency Step Size
25 kHz
RF Channel Scanning
Auto-Scan
Max Operating Range
328.1′ / 100 m (Line of Sight)
Built-In Recorder
No
Timecode Support
No
Mobile App Compatible
No
Latency
2 to 2.9 ms (Selectable)
Encryption
AES 256
Modulation
Proprietary
Transmitter
Transmitter Type
Handheld
RF Output Power
2 / 10 / 40 mW
Built-In Microphone
No
Audio I/O
No
Included Cable Connector
No
Pad
12 dB
Muting
Mute Switch
Audio Input Level
145 dB
Auto-Level Control
Yes
Gain Range
-12 to +21 dB (3 dB Steps)
Sync Method
IR
Antenna
1x Internal (Handheld)
Power Requirements
Battery
Battery Type
1x Rechargeable (Included, Replaceable)
Approx. Battery Life
Med.:
9 Hours (Lithium)
Display & Indicators
1x 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″ / 51 x 254 mm
Weight
11.9 oz / 338 g (without Batteries)
Microphone
Microphone Type
Handheld Capsule
Color
Black
Sound Field
Mono
Capsule
Dynamic
Polar Pattern
Cardioid
Frequency Range
50 Hz to 15 kHz
Packaging Info
Package Weight
2.185 lb
Box Dimensions (LxWxH)
13.8 x 6.6 x 3.7″