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
Frequently asked questions
What is the SONY MAS-A100 ceiling microphone best suited to?
It is exceptionally well suited to classrooms and meeting rooms, being a ceiling-mounted microphone that is convenient for lectures or presentations and lets you speak instantly without touching it — unlike handheld microphones, where each person holds it at a different distance and the volume comes out uneven.
What noise-handling features does the MAS-A100 have?
Noise Reduction to cut background noise in the room, a Noise Gate to cut noise when the speaker stops talking, a Feedback Reducer to reduce microphone feedback, and Automatic Gain Control to adjust the signal level automatically.
How is the MAS-A100 connected and controlled?
It works with both DANTE and analog systems and connects using CAT5e UTP cable. It has an LED status indicator, is configured through the Microphone Array System Manager (MASM-1), and can be controlled by third parties via API.