Duet Executive MT202-EXE

By October 22, 2016 November 6th, 2020 No Comments

DUET Executive



The Duet Executive is a table-top personal speakerphone designed for video conferencing via it’s USB connection. It also supports a “smart” analog connection allowing it to be used as a plug-in device for smartphones and tablets. It’s size and durability makes it portable and perfect for travel. The Duet Executive is the perfect device for personal use or home office.

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Dual Connectivity

Offering multiple interfaces in a single product. This feature allows the use of one product in a room that requires multiple connectivity options (audio and video conferencing).


The ability to connect two calls from different interfaces simultaneously, making your video conferencing participants able to speak with your audio conferencing participants as well as yourself through your device.

USB Power

The ability to provide power to the device through the USB connection getting rid of the need to use a separate power supply.

Tough Construction

The MT202 Duet EXE is made primarily with strong high quality metal parts designed to hold up to the rugged life of being on the move.

Each Unit Includes:

USB cable

2.5mm to 3.5mm smartphone adaptor

International power supply adaptor

User manual


Size: 3.75 in x 1.25 in x 4.5 in (W x H x D)

Weight: 0.55 lbs (with USB cable)

Noise Cancelling

Filters out ambient room noise such as air conditioning and background office or traffic noise

Acoustic Echo Cancellation

Prevents your microphone from transmitting the voice picked up from your speaker

Automatic Gain Control

Automatically adjusts your microphone sensitivity so that you are heard loud and clear regardless of your tone and distance from the device


Improves audio pick up quality in reverberant rooms with hard reflective surfaces such as exposed, concrete, marble, or glass walls and ceilings



Analog – 2.5 mm and 3.5 mm connection


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

2.5mm cable to your smart phone – this connection is for any session using a smart phone or tablet.


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.

Controls On The Device:

Speaker Volume



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)


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

Omnidirectional microphone pickup pattern 360°. Equal output or sensitivity at all angles.

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


Huddle Room

A/V Cart

Duet EXE User Manual
Black Edition

Duet EXE User Manual

Duet EXE French User Manual

Duet EXE Datasheet