Shure AD2/SM58 Handheld Wireless Microphone Transmitter

Product Overview

The Shure AD2/SM58 is an Axient Digital handheld wireless transmitter paired with the SM58 cardioid dynamic capsule, making it the most accessible entry point into the Axient Digital wireless platform for commercial AV installations, houses of worship, and corporate AV applications. The SM58’s proven cardioid dynamic performance combines with Axient Digital’s professional RF infrastructure—AES 256-bit encryption, High Density mode, and tuning up to 184 MHz—in a familiar form factor that AV operators and presenters already understand. Dual battery support (AA alkaline or Shure SB900C rechargeable) provides maximum deployment flexibility.

Product Description

The AD2/SM58 pairs the industry-standard SM58 cardioid dynamic capsule with the Axient Digital AD2 transmitter body, offering a direct path into professional-grade wireless infrastructure for installations that require SM58 reliability and operational simplicity. For commercial AV integrators, the SM58 capsule requires minimal training for new users, handles high SPL without distortion, and provides consistent performance across varying presenters and acoustic environments. The AD2/SM58 operates in Standard mode (350 kHz channel spacing) or High Density mode (125 kHz) for channel density management, and supports selectable 2/10/35 mW RF output for range or density optimization. At $1,089, it is the lowest-cost Axient Digital handheld configuration and a logical first channel for AV system designs that mix budget and premium Axient wireless components.

Pair with the Shure AD1LEMO3 Bodypack Transmitter for a complete Axient Digital wireless system at the AD tier.

Key Features

• SM58 Cardioid Dynamic Capsule — The industry’s most widely deployed handheld vocal capsule; consistent cardioid pattern, high SPL handling, and zero learning curve for presenters and operators.
• Axient Digital RF Platform — Professional digital wireless with AES 256-bit encryption, High Density mode, and tuning up to 184 MHz.
• AES 256-Bit Encryption — Secure audio for corporate, government, and broadcast environments.
• High Density Mode — 125 kHz channel spacing enables more simultaneous wireless channels in spectrum-limited deployments.
• Dual Battery Support — Accepts SB900C rechargeable Li-Ion (up to 11 hours at 10 mW) or 2× AA alkaline (up to 8 hours).
• Selectable RF Output: 2/10/35 mW — Configurable power levels for both high-density and extended-range scenarios.
• Interchangeable RPW-Series Capsules — The AD2 body is compatible with all Shure RPW wireless capsules for future reconfiguration.
• IR Sync — Fast automated frequency and encryption key setup from a compatible Axient Digital receiver.
• Cast Aluminum Housing — Commercial-grade build quality for rental inventory and permanent installation.

Typical Applications

• Conference room
• House of worship
• All-hands room
• Auditorium
• Training room
• Multi-purpose room
• Government space

Technical Specifications

Frequently Asked Questions

Why choose the AD2/SM58 over a ULX-D or SLX-D wireless SM58 configuration?
The AD2/SM58 uses the Axient Digital RF platform, which provides a higher channel count potential (especially in High Density mode), AES 256-bit encryption, and a wider 184 MHz tuning range compared to ULX-D or SLX-D. For installations in dense RF environments or where security is required, the Axient Digital platform offers the superior RF architecture. The ULX-D is appropriate where the Axient Digital budget is not justified.

Can the SM58 capsule be swapped for a condenser capsule?
Yes. The AD2 transmitter body accepts all Shure RPW-series capsules. The SM58 (RPW112) can be swapped for the Beta 87A (RPW120), Beta 87C (RPW122), KSM9 (RPW184), or any other RPW cartridge in the field without tools—a significant advantage for venues that need different capsule types across events.

What Axient Digital receivers are compatible?
AD4D, AD4Q, and ADX5D. Receiver frequency band must match the transmitter band ordered.

Does the AD2/SM58 support AES 256 encryption for all transmissions?
Yes. AES 256-bit encryption is available on the AD2/SM58 and is enabled via IR Sync from a compatible Axient Digital receiver. Encryption must be enabled on both the receiver and transmitter simultaneously.

What warranty is included?
Shure provides a 2-year limited warranty. Contact Creation Networks for support.