The Quattro3 model MT301 connects via:

USB to your computer ‐ this connection is for any session using your computer, such as Voice Over IP applications (Vidyo, BlueJeans, FuzeBox, Skype, Microsoft Lync, etc.).

Connections

USB interface (mini B connector)

3.5mm external loudspeaker and microphone jack

Volume Up / Volume Down buttons

Daisy chain expandability of up to 15 units

Power Consumption: 5V 500mA peak through USB and wall mount AC/DC converted.

Audio

Frequency Response 50Hz – 16 KHz

Low latency (10ms)

Broadcast level (peak): 92dB SPL @1m (5 watts RMS)

Noise cancellation > 10dB (without pumping noise)

100% full duplex – no attenuation (in either direction) during full duplex

High-end performance confirms to ITU-T G.167

Acoustic echo cancellation > 40dB with conversion speed of 40dB/sec

Residual echo is suppressed to the environment noise level, preventing artificial ducking of signal

4 high-quality directional microphones

Direction-finding algorithm (determines the presence and direction of a speaker)

Beamforming algorithm (forms and directs audio beams towards a defined direction)

Automatic voice-level adjustment (AGC)

Dimensions

Dimension: 7” diameter, 1-7/8” height

Weight: 2 lbs

Metal case and metal grill mesh for high RFI immunity and product durability

Software

Plug-and-Play - No installation or drivers

Audio Setup Utility is available for Windows

The setup utility helps monitor the audio input and output level but is not required

Recording utility is available for Windows

Recording utility allows you to record conversations to your computer via the device

Operating systems: Windows 98 and up / Linux / MacOS

Battery

7 hours of battery talk time with secondary interface

Accessories

USB cable

International AC adapter

Daisy chain cable (Ethernet)

Telephone cable

Warranty

Two years