2026 Guangzhou DSPPA Audio Co., Ltd.
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2026 Guangzhou DSPPA Audio Co., Ltd.
2026 Guangzhou DSPPA Audio Co., Ltd.
2026 Guangzhou DSPPA Audio Co., Ltd.

Embedded Conference Chairman Microphone D7143

  • 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.


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Embedded Conference Chairman Microphone

Specifications of Embedded Conference Chairman Microphone

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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