Description

The A21S from Nearity is an elegant conference speakerphone, featuring sophisticated, second-generation, deep-learning AI algorithms designed to discern and eliminate a wide variety of unwanted noises and deliver clear, intelligible speech for meeting spaces, classrooms, and educational environments. The unit is equipped with an eight-microphone array that picks up audio in a 360° radius at a distance up to 16′ away. A built-in 3W speaker provides a frequency response from 220 Hz to 12 kHz tailored to accurately reproduce the human voice. The A21S is a wired speakerphone and features PoE and USB ports, allowing it to easily interface with networked conference systems. Use the free Nearsync software download for Windows and Mac computers to easily set up and adjust the unit.

Features

  • For Meeting Spaces and Classrooms
  • 8-Mic Beamforming Array for 360° Pickup
  • 3W Speaker, 220 Hz to 12 kHz Response
  • Full-Duplex Communication Speakerphone
  • Gen 2 AI Audio Deep-Learning Algorithms
  • Automatically Reduces 300+ Room Noises
  • Reverb and Echo Cancellation
  • Sleek Touch Controls
  • Daisy-Chain Ability for Larger Spaces
  • USB and PoE Connections

 

Specifications

Key Specs
Form Factor
Boundary/Surface Mount
Element Type
8x MEMS
Polar Pattern
Omnidirectional
On-Board Controls
Mic Mute
Frequency Range
220 Hz to 12 kHz
Analog Output
No
Power Sources
Bus Power / PoE (Power over Ethernet)

 

Microphone
Primary Applications
Corporate Presentation, Conferencing, Videoconferencing
Form Factor
Boundary/Surface Mount
Intended Sound Sources
Speech/Voice-Over
Sound Field
Mono
Element Type
8x MEMS
Polar Pattern
Omnidirectional
High-Pass Filter
No
Gain Adjustment
Yes
On-Board Controls
Mic Mute

 

Performance
Frequency Range
220 Hz to 12 kHz
Sensitivity
-38 dBFS at 1 kHz
Signal-to-Noise Ratio
63 dB A-Weighted
THD
< 5%

 

Connectivity
Analog Output
No
Headphone Output
No
Cable Length
9.8′ / 3 m
Wireless
No

 

Power
Power Sources
Bus Power / PoE (Power over Ethernet)
Bus Power
USB
Operating Voltage
48 V (Phantom Power)
5 V (USB Bus Power)

 

Physical
Color
Black
Mounting Thread Size
No Mount Included
Dimensions
H: 2.5 x W: 4.7 x L: 4.7″ / H: 64 x W: 120 x L: 120 mm
Weight
1.2 lb / 544 g
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