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Sony MAS-A100 - Ceiling Mounted Beamforming Microphone

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The MAS-A100 is a state-of-the-art speech reinforcement* and recording solution. Attaching and positioning lavalier microphones is time consuming, and handheld microphones restrict movement. However, the Beamforming Microphone is simply affixed to the ceiling, and is ready to use—leaving the orat... Read More

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The MAS-A100 is a state-of-the-art speech reinforcement* and recording solution. Attaching and positioning lavalier microphones is time consuming, and handheld microphones restrict movement. However, the Beamforming Microphone is simply affixed to the ceiling, and is ready to use—leaving the orator location-free, hassle-free, and hands-free to focus on presenting. And what’s more, operation is totally contactless—reducing risk of infection for users.

*Loud-speaker system is required for speech reinforcement

Dedicated Channels for Speech Reinforcement and Recording
This comprehensive solution employs audio volume stabilization and clear audio processing to produce sharp recordings.

The MAS-A100 has two channel outputs. The main channel provides speech reinforcement in a classroom environment, while the dedicated rec channel records with a wider capture range and optimal intelligibility—perfect for lecture capture and remote learning.*

The dual-output channel enables true hybrid learning by providing speech reinforcement in the classroom and recording for remote learning simultaneously—to create a true hybrid learning solution.

*Lecture capture system required
**Pre-testing recommended for remote learning applications.

Simple Installation and Management
Supporting Dante and PoE, MAS-A100 links with third-party systems via a single cable connection. Auto-calibration streamlines system configuration, and settings can easily be adjusted via the network using free MASM-1 management software. Permanent ceiling installation ensures hands-free and contactless operation. And with simple settings, central management and no need to monitor battery use, MAS-A100 is a convenient classroom audio solution.

Beamforming and Intelligent Feedback Reducer
The integration of beamforming technology and our market-leading Intelligent Feedback Reducer produces clear audio with hands-free speech reinforcement, leaving the presenter hands-free. Sony’s high-performance digital signal processing and unique algorithms extract speech sound while suppressing unwanted feedback (howling).

Noise reduction
This Beamforming Microphone incorporates advanced noise-reduction technologies to minimize ambient noise. Stationary background noise arising from projectors and air conditioning is automatically detected and reduced to achieve clear sound resulting in better intelligibility and, ultimately, better understanding for listeners.

In addition to this, the Ambient Noise Filter* feature automatically detects and filters out intermittent and distracting sounds, such as the typing of a keyboard, click of a mouse, or the turning of pages.

Automatic gain control
The MAS-A100 has a useful inbuilt volume normalization feature to maintain stable volume regardless of the distance between the presenter and the microphone, leaving the presenter free to move around the space without the audio quality deteriorating. Automatic gain control adjusts the strength of the signal received to ensure clear and consistent sound for easy listening.

Beamforming Microphone sends a test signal to the speakers which is picked up by the microphone. The microphone then adjusts its parameters based on this test signal.

Automatic calibration
The Beamforming Microphone optimizes the parameters of audio processing for speech reinforcement automatically. The microphone generates a test signal, which is captured by the loud speakers. The system then calculates and configures the parameters for speech reinforcement. This calibration is required only on initial installation, minimizing time-consuming set-up and system maintenance.

Bass Boost
Enhance audio quality for clear and easy listening with adjustable levels of bass boost. (Version 1.1)

Dante® and PoE compatibility
The MAS-A100 is compatible with third-party Dante mixers, converters and other devices, as well as power over Ethernet (PoE). There’s no complicated wiring—a single cable can connect the microphone to the system.

Status LED
The microphone has an inbuilt status LED, enabling both instructor and operator to easily recognize the microphone status.

The Beamforming Microphone can be operated by API, permitting simple external control and customization, as well as linking with existing systems.

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Product Specs

Cable requirements Cat5e UTP or higher
Frequency response 100-10,000 Hz
Sensitivity 0dBFS/Pa at 1 kHz
Maximum SPL 94dBSPL
Signal to noise ratio 75 dB (A-weighted, 1 kHz, 1 Pa)
Latency Under 24 ms (not including Dante latency)
Self noise 19dBSPL (A-weighted)
Dynamic range 75 dB
Dante digital output Channel count: 2 channels (Main, Rec) with Dante
Sampling rate: 48 kHz
Bit depth: 24
Audio interface: Dante, AES67
Digital Signal Processing
Audio technologies Beamforming
Feedback reducer
Automatic gain control
Noise reduction
Noise gate
Automatic calibration with test signal
API for external control system
Performance Maximum noise reduction: 24 dB
Maximum feedback reduction: 32 dB
Configuration Mic gain (output volume): -60 dB to +12 dB
Capture range: Narrow / standard / wide
Feedback reduction: Low/middle/high
Noise reduction: Low/middle/high
Noise gate: Off/low/middle/high
Equalizer: Fixed 5-band, ±12 dB (1 dB Step)
Connector type RJ45
Power requirements Power over Ethernet (PoE), Class 0
Power consumption 13 W, maximum 9 W @25°C, typical
Weight Approx. 2 lb 3.2 oz (1 kg) (main unit only)
Approx. 2 lb 14 oz (1.3 kg) (with ceiling bracket)
Dimensions Φ: Approx. 240 mm (9 1/2 inch)
Height: Approx. 50 mm (2 inch)
Control browser (MAS-A100) Google Chrome
Operating temperature range 0–40°C
Operating humidity 20% to 80% (no condensation allowed)
Storage temperature -20 °С to +60 °С (-4 °F to 140 °F)
Storage humidity 20% to 80% (no condensation allowed)
Supplied accessories Ceiling bracket (1)
Safety regulations (3)
Template (1)

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