Shure ADX2FD/SM58 — Axient Digital Frequency Diversity Handheld Wireless Transmitter
ADX2FD/SM58 Overview
The Shure ADX2FD/SM58 is part of the Axient Digital wireless platform, engineered for mission-critical live performance, broadcast, and touring applications where RF reliability is non-negotiable. It operates in the G57 band (470-608 MHz) with a wide tuning range of up to 184 MHz, providing extensive frequency coordination flexibility in congested RF environments. The transmitter incorporates Frequency Diversity technology, simultaneously transmitting on two frequencies to protect against dropouts and interference. This transmitter is purpose-built for audio engineers, touring production companies, broadcast facilities, and houses of worship that demand uncompromising wireless performance.
The ADX2FD/SM58 features a sleek metal handheld construction in black finish, paired with the industry-standard SM58 cardioid dynamic cartridge, and supports ShowLink remote control for real-time parameter adjustments from the front-of-house position without interrupting the show.
Key Features
- Frequency Diversity Transmission — simultaneously transmits on two discrete frequencies to eliminate dropouts caused by RF interference or multipath, ensuring continuous signal integrity in demanding environments
- Wide Tuning Range — up to 184 MHz of tuning bandwidth within the G57 band (470-608 MHz) for maximum frequency coordination flexibility across complex multi-channel deployments
- ShowLink Remote Control — enables real-time, bidirectional parameter adjustments including gain, mute, and RF power directly from the Axient Digital receiver or Wireless Workbench software without interrupting the performance
- SM58 Cardioid Dynamic Cartridge — the proven industry-standard vocal microphone capsule, delivering consistent, controlled pickup with effective off-axis rejection suited for live vocal applications
- Advanced Interference Protection — Axient Digital platform-level interference detection and avoidance keeps the system operating cleanly in congested RF environments
- Advanced Rechargeability — compatible with Shure’s SB900A lithium-ion rechargeable battery for predictable, sustainable power management across touring and installed applications
- Sleek Metal Construction — durable all-metal handheld body in black finish designed for the rigors of professional live production
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