A20

CONFERENCE

SPEAKERMIC

8-Element Microphone | Noise Reduction

Full-duplex | Daisy-chain | Hidden Ports | Plug & Play

INTRODUCTION

Technical Parameters

Physical characteristics
  • Height: 64mm (2.5 inches)
  • Width: 120mm (4.7 inches)
  • Depth: 120mm (4.7 inches)
  • Net weight: 544g
  • Gross weight: 1120g
  • Color: galaxy gray
Microphone features
  • 8-element omnidirectional microphones array
  • Voice pickup range: 5m (16ft)
  • 65dBA@20kHz bandwidth, A-weighted
  • ―26dBFS 94dB SPL@1kHz
Speaker characteristics
  • Rated output power: 4Ω/1.5W
  • Speaker frequency response: 155Hz~16kHz
  • Speaker volume: 80±3dB (500,600,800,1200Hz) @1W/1m
  • THD<3%
Audio characteristics
  • Beamforming supported
  • Maximum background noise suppression:18dB
  • Full-duplex communication
  • Echo cancellation: coupling loss≥56dB
  • Automatic gain control (AGC) within 5m
  • Reverberation suppression: RT60<1s
Daisy-chain
  • POE UTP RJ45 (CAT6)
  • Maximum daisy chain units: 5 units of A20
Power and connectivity
  • External power supply: DC 48V/0.6A or USB 5V/0.5A
  • Compatible operating systems: Windows/Mac/Linux
  • USB port: USB 2.0 Type-C