Product Description

The Nearity A20S is a wired USB-C conference speakermic with an 8-microphone 360° array and PoE daisy-chaining. Link up to 6 units from a single SKU to cover any space — from a huddle room to a large boardroom — with an on-device AI processor that strips out echo, noise, and reverberation for studio-grade clarity.

Key Features

  • 8 omnidirectional MEMS microphone array with 360° adaptive beamforming and 5 m (16 ft) pickup.
  • On-device 4-core CPU + 3 TOPS NPU running AI 2.0 noise suppression (300+ noise types), acoustic echo cancellation, de-reverberation, AGC, and VAD — full-duplex.
  • 5 W Hi-Fi speaker (220 Hz–12 kHz), up to 80 ±3 dB SPL @ 1 m, THD < 5%.
  • USB-C plug-and-play (UAC, driver-free) plus PoE daisy-chain up to 6 units via dual RJ45 (Previous in / Next out), Cat6 up to 100 m.
  • Works with Zoom, Microsoft Teams, Google Meet, Webex, GoTo Meeting, Skype, Slack, BlueJeans, and OBS.
  • Driver-free on Windows, macOS (Apple Silicon & Intel), ChromeOS, and Linux.
  • Capacitive touch controls (mute, volume) with per-function LEDs; Nearity Device Manager for tuning and firmware.
  • NDAA Section 889 compliant.

Ports & Power

  • USB-C for PC audio, data, and device control.
  • 2 × RJ45 daisy-chain ports (Previous in / Next out).
  • DC 54V / 1.2A power adapter (first unit only; extension units are powered over the chain). USB 5V / 0.5A alternative.

Specifications

Microphones 8 omnidirectional MEMS array, adaptive beamforming
Pickup range 5 m (16 ft), 360°
Speaker 5 W (4 Ω), 220 Hz–12 kHz, ≤80 ±3 dB SPL @ 1 m, THD < 5%
Processing 4-core CPU + 3 TOPS NPU; AI 2.0 noise suppression, AEC, de-reverberation, AGC, VAD, full-duplex
Connectivity USB-C (UAC), 2 × RJ45 daisy-chain
Daisy chain Up to 6 units (Cat6, ≤100 m)
Power DC 54V / 1.2A (first unit); USB 5V / 0.5A alternative
Compatibility Zoom, Teams, Google Meet, Webex, GoTo, Skype, Slack, BlueJeans, OBS; Windows / macOS / ChromeOS / Linux
Controls Capacitive touch (mute, volume), per-function LEDs
Compliance NDAA Section 889
Dimensions 120 × 120 × 64 mm (4.7 × 4.7 × 2.5 in)
Weight 0.8 lb (359 g)
In the box A20S speakermic, USB-C cable, Ethernet cable, power adapter, user manual
Warranty 12-month limited warranty; 30-day returns

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