Shure ADX2FD/K9HS — Frequency Diversity Handheld Wireless Transmitter (G57)
ADX2FD/K9HS Overview
The Shure ADX2FD/K9HS is part of the Axient Digital wireless platform, engineered for touring productions, broadcast facilities, and houses of worship where RF reliability is non-negotiable. It combines Frequency Diversity transmission with a wide tuning range of up to 184 MHz across the G57 band (470–608 MHz), providing robust interference protection in congested RF environments. The transmitter is paired with the KSM9HS condenser capsule, delivering the sonic performance expected in professional vocal applications. This unit is built for audio engineers and system integrators who require real-time control and maximum uptime in demanding live and broadcast environments.
The ADX2FD/K9HS features a sleek metal handheld construction available in black or nickel finish, with advanced rechargeability and ShowLink remote control for real-time parameter adjustments directly from the front-of-house position.
Key Features
- Frequency Diversity Technology — Transmits on two frequencies simultaneously, providing seamless protection against RF dropouts without audio interruption
- Wide Tuning Range — Up to 184 MHz of tuning bandwidth within the G57 (470–608 MHz) band for maximum frequency coordination flexibility
- KSM9HS Capsule — Professional-grade condenser cartridge optimized for lead vocal applications in live and broadcast settings
- ShowLink Remote Control — Enables real-time parameter adjustments from the booth, including gain, mute, and RF power, without interrupting the performance
- Advanced Rechargeability — Compatible with Shure’s Axient Digital rechargeable battery ecosystem for streamlined power management across large deployments
- Interference Protection — Axient Digital interference detection and avoidance technology actively monitors the RF spectrum and responds to threats in real time
- Metal Handheld Construction — Durable chassis available in black or nickel finish, built to withstand the rigors of touring and nightly production use

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