Sennheiser MAS 1 B Microphone Activation Button for XLR Microphones

The Sennheiser MAS 1 B is a versatile microphone activation button designed for use with XLR-connected microphones equipped with a 5-pin XLR-M connector. When paired with the MAS 133 inline switchbox, it enables flexible control options including on/off, push-to-talk (PTT), and push-to-mute (PTM) modes. A built-in bi-color LED ring provides clear visual status indication, making it well-suited for conferencing, broadcast, and professional audio environments. The unit includes mounting accessories for secure and adaptable installation.

Key Features

• Microphone activation button for 5-pin XLR-M equipped microphones
• Designed for use with MAS 133 inline switchbox
• Programmable modes: On/Off, Push-to-Talk (PTT), and Push-to-Mute (PTM)
• Bi-color LED ring for clear status indication
• Includes mounting accessories for flexible installation

What’s Included

• (2) Rubber mounting rings
• (1) Hex nut for secure installation

Tech Specs

• Type: Microphone Activation Button
• Connector Compatibility: 5-pin XLR-M
• Control Modes: On/Off, PTT, PTM
• Indicator: Bi-color LED ring