2023 Guangzhou DSPPA Audio Co., Ltd.
2023 Guangzhou DSPPA Audio Co., Ltd.

Desktop Digital Conference Meeting Microphone System Chairman Unit D7123

  • Speak-only conference unit.

  • Comes with a 2-meter dedicated high-density cable and an RJ45 universal network plug.

  • The elector core type pointing capacitive pickup with a two-color indicator (red/green). It is red when speaking, and it is green when applying for speaking.

  • A rotary plug microphone rod is adopted, a mini-microphone.

  • There are square, ova land, and goose-neck rod; The square rod is aluminum alloy with186mm in length, the oval microphone rod is 182mm in length, and the goose-neck rod has a black and silver color, with 315mm, 415mm in length.

  • The microphone rod can be dismounted during the adjournment for maintenance and storage.

  • Super anti-interference ability toward mobile phones.

  • There are microphone-on/off touch keys and the chairman unit has the chairman priority touch key.

  • With sign-in function by pressing the button.

  • Each conference unit has a unique ID number.

  • Together with the camera, the camera can be automatically tracked when set up using the digital Conference system host or PC control software.

  • In conjunction with the control panel, the unit has a self-detection function. The items tested are Keys, microphones, LED indicators, and built-in speakers.

  • The unit is a passive device that is powered by the system host or POE switch, and the input voltage is +48V.

  • The chairman unit has a priority function (all delegate units can be muted or turned off), and a lectern mode (the chairman unit is always on) with the host settings.

  • The Chair module has the function of approving a delegate's request to speak.

  • The Chairman unit can be opened freely without limitation on the number of speakers and has unlimited connection locations.

  • The Chairman unit has the priority function of having full control of the order of the conferences.

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DETAILS
SPECS

Specifications of Desktop Digital Conference Meeting Microphone System Chairman Unit

Model

D7123/D7124

Structure Type

Desktop

Effective Frequency Range of Gain Limit (±3dB)

MIC A to MIC B

50Hz-14kHz

Host LINE to MIC

30Hz-18kHz

MIC to Host LINE

40Hz-16kHz

Speaker Power

1.5W

Static Power Consumption

<6W

Maximum Power Consumption

8W

SNR

>75dB

Crosstalk Attenuation

>80dB

Harmonic Distortion

<0.5%

Headset Output

9dBu, 8-32Ω, 3.5mm

Working Power

Host +48V power supply or +48VPoE Switch power supply

Unit Interface

Network interface

MIC

Microphone Type

Electret cardioid condenser

Sensitivity

-30dBV/pa

Input Impedance

2kΩ

Equivalent Noise

20dB(SPL)

MAX. SPL.

125dB(THD<3%)

Package Dimensions (W×D×H)

485×280×120 mm (2 PCS/ Per Carton)

Machine Dimensions (W×D×H)

175×133×46mm

Gross Weight

2.4kg

Net Weight

0.62kg


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