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The SHURE BROTHERS, INC. A400XLR is a quick-release XLR insert adapter designed for use with surface mount wired microphone systems. This adapter allows technicians to connect and disconnect XLR microphone inserts quickly without removing the full microphone assembly from its mount. It serves as a key interface component in installed audio systems, providing a reliable electrical and mechanical connection between the microphone insert and the wiring termination point. Typically installed by low-voltage or commercial audio-visual technicians, the A400XLR suits permanent installation environments where serviceability and fast swap-out are priorities.
The A400XLR is suited for surface mount wired microphone applications in boardrooms, lecture halls, houses of worship, broadcast facilities, and other installed audio environments. It is sold as a single unit and is intended for use where quick-release functionality is required at the microphone insert connection point. Consult the microphone system documentation to confirm fitment before installation.
Designed as an OEM-style adapter for surface mount wired microphone systems requiring a quick-release XLR insert connection point.
Installation is typically performed by a licensed low-voltage or commercial AV technician. De-energize the audio system and disconnect phantom power before handling the microphone insert or adapter. Follow applicable local low-voltage wiring codes and manufacturer wiring documentation during termination. Avoid over-tightening any retention hardware to prevent damage to the quick-release mechanism.
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