Shure A400MB — Programmable Mute Button Accessory for Microflex Microphones
A400MB Overview
The Shure A400MB is a mute button accessory designed for use with Shure Microflex MX395LED low profile boundary microphones and MX400SMP-compatible modular gooseneck microphones including the MX405, MX410, and MX415. It provides both local and remote mute control via a configurable programmable button, making it a practical addition to boardroom and conference room installations. The adapter converts the 5-pin XLR output to a standard block connector, eliminating the need for soldering during termination. System integrators and AV professionals working in corporate, government, or institutional environments will find the A400MB a reliable solution for adding user-accessible mute functionality to fixed microphone installations.
Its unobtrusive profile is engineered for flush surface mounting into conference tables, keeping the installation clean and professional while maintaining full mute control accessibility for end users.
Key Features
- Programmable Mute Button — supports both local and remote mute control configurations for flexible system integration
- Microflex Compatibility — designed for use with MX395LED low profile boundary microphones and MX400SMP-compatible modular gooseneck microphones (MX405, MX410, MX415)
- 5-Pin XLR to Block Connector Conversion — converts the microphone’s 5-pin XLR output to a standard block connector for simplified termination
- No-Solder Termination — block connector design enables hassle-free installation without soldering tools or specialized wiring skills
- Surface Mount Design — low-profile form factor suited for flush mounting into boardroom tables and conference surfaces
- Unobtrusive Aesthetic — designed to integrate cleanly into professional environments without drawing visual attention

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