8
Voice technical
parameters
A
coustic Echo cancellation（AEC）: >65dB
Echo length cancellation：≥500ms
Bidirectional noise compression（NC）: <25dB
Automatic Direction finding Technology of
Intelligent microphone（EMI）
Automatic gain control（AGC）
Audio parameters
M
icrophone frequency response：100Hz-22KHz
Speaker frequency response：100Hz-22KHz
Speaker volume: 95dB at the most
Microphone sound-pickup diameter: 4 m,
360 degrees full range
Interface
USB interface, 3.5mm audio output
Power supply
USB power supply(5V/500m)
Computer
environment
Windows, Mac OS, Android
Operating
environment
Operational environment: 0 ~ 40 degrees,
Working humidity: 20 ~ 85% (no frost)
Size
141 x 141x42mm/192x192x90mm
(before/after packaging )
Weight
260g/500g (Net/Gross weight)
A2000
Accessory
1.8m USB cable, QC card, manual
A2000G
1.8m USB cable,
Power a 2.4G wireless receiver,
QC card, manual
A2000B
1.8m USB cable Power adapter, QC card, manual
Technical Spec
