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Review: SONY MAS-100 Ceiling Microphone
Handheld microphones often produce uneven volume levels. Here we review the SONY MAS-A100 ceiling microphone, which is exceptionally well suited to classrooms and meeting rooms.

Microphones used in general lectures are usually handheld, and since each person holds the microphone at a different distance, the resulting volume comes out uneven — too loud or too soft. So today we will talk about a microphone that helps solve these problems, using as an example the SONY MAS-A100 ceiling microphone, which is exceptionally well suited to classrooms and meeting rooms.
MAS-100A Features
- A ceiling-mounted microphone, convenient for lectures or presentations by the speaker
- Speak instantly without touching the microphone
- LED indicator showing the operating status
- Works with both the DANTE and ANALOG systems
- Noise Reduction that helps cut down background noise in the room
- Noise Gate to cut out background noise when the speaker stops talking
- Feedback Reducer to reduce microphone feedback problems
- Automatic Gain Control to adjust the audio signal level automatically
- The microphone can be configured through the Microphone Array System Manager (MASM-1)
- Third parties can control the microphone via API
- Can be connected using CAT5e UTP cable
Technical Specifications
Frequency response: 100-10,000 Hz Sensitivity: 0 dBFS/Pa at 1 kHz Maximum SPL: 94 dBSPL Signal to noise ratio: 75 dB