Thiết bị micro/loa kết hợp.
Khả năng khử vọng và lọc ồn.
Kết nối USB cho máy tính,
Có thể kết nối với loa ngoài qua cổng 3.5mm để tăng công suất loa
Phù hợp cho phòng họp nhỏ 3-6 người. Có khả năng mắc nối tiếp 2 thiết bị
Size: 3.75 in x 1.25 in x 4.5 in (W x H x D), Weight: 0.55 lbs (with USB cable)
Power
USB power for PC and Laptop (LED will illuminate)
External power supply included for phone only configurations (when Duet is not plugged into the PC)
Audio
100% Full duplex performance – no attenuation (either way) during full duplex
Acoustic echo cancellation >40 dB
High-end performance: conforms to ITU-T G.167 standard
Line echo cancellation
Noise cancellation >10dB
Residual echo is suppressed to the environment noise level to prevent artificial ducking of signal
Voice level equalization
Convergence speed 40 dB/sec
Tail length (200ms)
Convergence during full duplex (no recovery time after full duplex)
Low delay (10 msec)
Bandwidth 20Hz – 16kHz for speech processing maintains the soundcard bandwidth
Integrated loudspeaker
Mute button and loudspeaker volume control buttons (LED will blink in mute mode)
Four position gain setting for optimum adjustment of signal level into the telephone
Performance
Speech processing and echo suppression at 32KHz sampling rate
HD speaker audio (16KHz bandwidth)
Maintains audio performance of the PC for HiFi audio applications when external speakers are connected.
Plugging in a headset will automatically turn off the speakerphone.
Connectivity
USB connector – PC or Laptop connectivity and power
2.5mm headset connection
RJ11 connector (accompanying cables provided)
3.5mm connection for external loudspeakers or headphone