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A21S

Nearity A21S Conference Speakerphone with AI 2.0 Noise Cancelling

Microphones
8 MEMS microphones array
Pickup range
5 m /16.5 ft
Speakers
5W
Connectivity
USB C and POE
WhatsApp
Priceon request
QuotationWithin 1 working day
DeliveryConfirmed with your quote, based on stock
PDFDownload datasheet (Datasheet - A21S.pdf)
Overview

The Nearity A21S is a USB conference speakerphone with eight MEMS microphones picking up voices up to 5 m (16.5 ft) around a 360-degree arc. Its AI 2.0 algorithms cancel echo, reverberation and noise, and Zoom certification lets teams use the touch mute and call buttons inside Zoom Rooms. It suits medium and large meeting rooms, where up to eight units can be daisy-chained over PoE.

A USB speakerphone for Zoom Rooms and other meeting platforms

The Nearity A21S is a USB conference speakerphone that combines an eight-microphone array, a full-duplex speaker and AI 2.0 audio processing in a single unit that sits on the meeting table. It is officially certified for Zoom, so the touch mute and call buttons on the unit can control the microphone and calls directly inside Zoom Rooms. The product is also listed for Microsoft Teams, Google Meet, Webex and GoTo Meeting, which suits organisations that use more than one platform.

Pickup and noise control for rooms with hard surfaces

Eight omnidirectional MEMS microphones capture voices across a 360-degree arc with a pickup range of up to 5 m (16.5 ft). Automatic gain control balances levels so that a participant at the far end of a long table is heard at a similar volume to someone seated beside the unit. The AI 2.0 echo, reverberation and noise suppression targets the problems common in glass-walled rooms, where sound reflects off surfaces and keyboard clicks or air-conditioning noise can reach remote callers.

The speaker is rated at 5W with a frequency response of 150Hz to 16kHz, which is enough for clear voices on calls and for playing back remote participants at a comfortable level in a small room.

Daisy chaining for boardrooms and lecture spaces

When a single unit cannot reach every seat, the A21S can be daisy-chained. The data lists up to four units connected with PoE cables and up to eight units when a PoE injector is used, so a large boardroom or training room can be covered without changing the platform or the computer. Each package ships with a USB cable, an Ethernet cable, an adapter and a user manual. The unit measures 64 x 120 x 120 mm and weighs 554 g.

Where the A21S fits in Qatar

  • Government boardroom in West Bay: a leadership team joins video calls with colleagues abroad from a table where one unit covers the seats near the centre and a chained unit covers the far end.
  • University seminar room in Education City: a hybrid session where the presenter and remote panellists need clear audio in a room with glass walls.
  • Private school in Al Rayyan: a staff meeting room where teachers discuss in Arabic and English during a call with the head office.
  • Hotel meeting room near Hamad International Airport: a mobile sales team that moves between rooms and needs a light unit it can carry from room to room.

What to plan before you order

Start by counting the seats and measuring the table, then decide between one unit and a chain. If you plan a chain, check that the room has a network point for each PoE connection and confirm that the laptop or PC can take the USB connection. SmartRooms Qatar offers free site surveys, so the team can check table layout and cable routes before installation. Government and school buyers can issue an LPO or quote against a tender reference.

Send the room size, seat count and the meeting platform you use, and request a quote for the Nearity A21S. Quotations are usually returned within one working day.

Highlights

  • Officially certified for Zoom, with touch mute and call buttons in Zoom Rooms
  • Eight MEMS microphones with 5 m (16.5 ft) pickup across a 360-degree angle
  • AI 2.0 echo, reverberation and noise cancellation for challenging rooms
  • Daisy-chain up to eight units over PoE with a PoE injector
  • 5W speaker with 150Hz to 16kHz frequency response
  • Works with Windows, macOS, ChromeOS and Linux; 12-month manufacturer warranty

Room fit

Tell us the room size and platform (Teams, Zoom or BYOD) and we confirm the right combination with your quotation.

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

26 specifications · Source: manufacturer · checked Oct 2026
Nearity A21S Overview13
Brand & Model
Nearity A21S
Type
Conference Speakerphone
Dimensions
64*120*120mm
Microphone
8 MEMS microphones array
Pickup Arrange
5 m /16.5 ft
AI Noise Reduction
Yes
Full Duplex Audio
Yes
Automatic Gain Control
Yes
Dasiy-chain
Support
Supported Systems
WIN/MAC/Linux/Chrome OS
Connectivity
USB C and POE
Certifications and Compliance
Microsoft Teams/Zoom/Google Meet/Webex/GoTo Meeting
Warranty
12 Months
Tech Spec13
Microphone Type
MEMS microphones array x8
Sensitivity
-38dBFS 94dB SPL@1kHz
Signal-to-Noise Ratio
63dBV/Pa 94dB SPL@1kHz
Microphone Pick Up Range
Up to 5m | 16.5 ft
Speaker Frequency Response
150Hz-16kHz
Speaker Maximum Output
5W
Daisy Chain
Up to 8 units by POE connected
Echo Suppression
√
AI Noise Suppression
√
Automatic Gain Control
√
Full Duplex
√
Unit Weight
554g | 19.19 oz
Power Supply
DC 48V/0.65A or USB 5V/0.5A

Downloads

1 file from the manufacturer

Questions about A21S

What is the Nearity A21S and who is it for?
The Nearity A21S is a USB conference speakerphone that sits on a meeting table and handles the microphone and speaker for one room. It suits small and medium meeting rooms, and larger rooms when several units are linked, in organisations that run calls through Zoom, Microsoft Teams or Google Meet. Its eight microphones and AI 2.0 noise processing are aimed at teams working in noisy or hard-surfaced rooms.
Is the A21S certified for Zoom Rooms?
Yes. The Nearity A21S is officially certified for Zoom and integrates with Zoom Rooms. The touch mute and call buttons on the unit let users control the microphone and online calls directly within Zoom Rooms, so basic call handling can happen at the table without reaching for a laptop. Confirm your Zoom Rooms version with the SmartRooms Qatar team before ordering.
Which meeting platforms does the A21S work with?
The product information lists Zoom, Microsoft Teams, Google Meet, Webex and GoTo Meeting as supported platforms. The A21S is also described as working with other major collaboration tools, so a team that switches between platforms can keep one speakerphone. Check the specific platform and version your organisation uses with the SmartRooms Qatar team before ordering.
How far does the microphone pick up voices, and how many microphones does it have?
The A21S uses eight omnidirectional MEMS microphones with a pickup range of up to 5 m (16.5 ft) across a 360-degree angle. Automatic gain control evens out volume so participants at different distances from the unit sound similar. In a school staff room in Al Rayyan, for example, a table seating more people than that range covers comfortably would call for a second unit.
Can several A21S units be linked in one room?
Yes. The data lists up to four units connected with PoE cables, and up to eight units when a PoE injector is used. This suits a large boardroom or training room in Lusail or West Bay where one table is too long for a single unit. During the site survey, the SmartRooms Qatar team can confirm whether a PoE injector is needed for your layout.
Does the A21S need drivers, and will it work in a mixed room?
The product information states that the A21S works with Windows, macOS, ChromeOS and Linux and requires no additional drivers or software installation. In an Education City seminar room where a Windows laptop and a Mac are both used, the same unit can serve either device. Select it as the audio device in your conferencing app and test it before the first session.
What is included in the box, and how big is the unit?
Each package includes the speakerphone, one USB cable, one Ethernet cable, one adapter and one user manual. The unit measures 64 x 120 x 120 mm and weighs 554 g, so it fits on a standard meeting table without taking much space. Confirm the nearby power and network points in the room before the installation day.
Will one A21S cover a government boardroom in West Bay?
It depends on the table length and the seat count. A single unit is rated for pickup up to 5 m (16.5 ft), so a ministry boardroom with a long table is usually better served by one unit near the centre plus a daisy-chained unit for the far end. Send the room dimensions with your quotation request, and SmartRooms Qatar can advise on placement after a free site survey.
Is the A21S suitable for a glass-walled meeting room in Doha?
The A21S includes AI 2.0 echo, reverberation and background noise cancellation, and the product is aimed at challenging acoustics such as glass-walled rooms and open offices. Glass reflects sound, so a room with many hard surfaces benefits from this processing. Test the placement during a site survey, because table position and seat layout affect results as much as the processing does.
What speaker output does the A21S have?
The built-in speaker is rated at 5W with a frequency response of 150Hz to 16kHz. That range is suited to speech, which is what most meeting rooms need so remote participants are heard clearly. If your room will regularly play back larger audio content or host events, check the output with the SmartRooms Qatar team before deciding.
What warranty applies, and how is the A21S supplied and installed in Qatar?
The manufacturer lists a 12-month warranty for the A21S. SmartRooms Qatar can supply the unit, deliver it to all eight municipalities of Qatar and arrange professional installation, with a free site survey beforehand. Government and school buyers can order against an LPO or tender reference, and payment can be made by bank transfer, cheque or purchase order.

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