Conference unit with pure speech.
Comes with a 2-meter dedicated high-density cable and a standard RJ45 network connector.
Cardioid electret condenser microphone with dual-color indicator ring (red / green).
Uses a screw-type microphone stem with a mini microphone capsule.
Comes standard with an integrated aluminum alloy square microphone rod, with an optional gooseneck microphone available.
The microphone stem can be detached during recess periods, facilitating equipment maintenance and storage.
3.5mm stereo headphone jack for headphone connection.
Excellent resistance to mobile phone interference.
Equipped with a microphone on/off button, the chairman unit has a chairman priority button.
Supports key-based sign-in function.
Each conference unit has a unique ID number.
Supports automatic camera tracking when used with a camera and configured via the digital conference system host or PC control software.
When connected to the control host, the unit supports self-test function. including tests for the buttons, microphone, and LED indicators.
Passive unit powered by host system or PoE switch, with an input voltage of +48V input.
Through the host settings, the chairman unit features priority control (able to mute or turn off all delegate units) and a podium mode (the chairman unit remains always active).
The chairman unit can approve delegate requests to speak.
The chairman unit can be activated freely without limitation on the number of active microphones.
The chairman unit has the priority function of having full control of the order of the Conferences.
Model | D7143 / D7144 | |
Structure Type | Embedded | |
Effective Frequency Range of Gain Limit (±3dB) | Unit A to Unit B | 50Hz-15kHz |
Host Line to Unit | 50Hz-20kHz | |
Unit to Host Line Out | 50Hz-16kHz | |
Static Power Consumption | <4W | |
Max. Power Consumption | <5W | |
SNR | >73dB | |
Harmonic Distortion | <0.3% | |
Headphone Output | 9dBu, 8-32Ω, 3.5mm | |
Working Power | Powered by host +48V or +48V PoE switch | |
Unit Interface | Network Port | |
MIC | Microphone Type | Cardioid Electret Condenser Type |
Input Sensitivity | -42± 2dBV/Pa | |
Frequency Response | 50Hz-20KHz | |
Max. SPL | 125dB | |
Product Size (L×W×H) | 90×80×150mm | |
Cut-out Size (L×W×H) | 77 × 67 mm (panel protrudes above the desktop) | |
91 × 81 mm (3 mm recessed, panel flush with the desktop) | ||
Package Size | 510×255×121mm | |
Net Weight | 0.55kg | |
Gross Weight | 1.6kg | |

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