2024 Guangzhou DSPPA Audio Co., Ltd.
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2024 Guangzhou DSPPA Audio Co., Ltd.
2024 Guangzhou DSPPA Audio Co., Ltd.
2024 Guangzhou DSPPA Audio Co., Ltd.

Desktop Speaking Chairman Unit D7153

  • A speaking conference unit integrating speaking and sign-in functions.

  • With a 2m dedicated high-density cable and 1 RJ45 universal network connector.

  • Adopt integrated square microphone rod (240mm in length, non-removable), electret cardioid directional condenser pickup microphone, with two-color indicator ring (red/green), red for speaking, green for applying for speaking.

  • With a 3.5mm stereo headphone jack for headphone connection to monitor the speech of other units.

  • Can adjust the microphone volume and headphone monitoring volume independently. Long press the V+ button to enter the microphone volume adjustment, and long press the V- button to enter the headphone monitoring volume adjustment.

  • With microphone on/off button, with a chairman priority button for the chairman unit. Can speak, sign in and number through the microphone on/off button.

  • With a unique ID for each conference unit. Long press the microphone on/off button to delete the ID number.

  • Combined with a camera, it can realize automatic camera tracking after set by the digital conference system host or PC control software.

  • Used in conjunction with the control host, the unit can realize the self-test function. The items to be tested include buttons, MIC, and LED indicator.

  • The unit is a passive device powered by the system host or PoE switch, with the input voltage of +48V.

  • Through the host settings, the chairman unit is endowed with a priority function (to mute or turn off all delegate units) and a podium mode (the chairman unit is normally on).

  • The chairman unit has the authority to approve the application for speaking from the delegate unit.

  • The chairman unit can be turned on freely without being restricted by the number of speaking units.

  • The chairman unit has the priority function of having full control over the order of the conference.

  • There is no restriction on the location of the chairman unit when connected to the system.


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DETAILS
SPECS

The conference unit uses electret cardioid directional condenser pickup microphone with a round microphone base and features speaking and sign-in functions. The chairman unit has the priority and authority to approve the application for speaking from the delegate unit.


Specifications of Desktop Speaking Chairman Unit


Model

D7153/D7154

Structure Type

Desktop

Effective Frequency Range of Gain Limit (±3dB)


Unit A to Unit B

80Hz-12kHz

Host Line to Unit

80Hz-16kHz

Unit to Host Line

80Hz-16kHz

Static Power Consumption

<2W

Maximum Power Consumption

<2W

S/N Ratio

>80dB (A-weighted)

Harmonic Distortion

<0.3%

Headphone Output

9dBu, 8-32Ω, 3.5mm

Operating Power

Powered by the host or PoE switch with +48V

Unit Interface

Network Interface

Microphone

Microphone Type

Electret cardioid condenser

Sensitivity

-45dBV/pa

Input Impedance

2kΩ

Equivalent Noise

20dB (SPL)

MAX. SPL.

125dB (THD<3%)

Package Dimensions

385×345×181mm (two pcs/CTN)

Machine Dimensions (Excluding MIC Rod, W×D×H)

142×139×65mm

Gross Weight

2.4kg

Net Weight

0.78kg


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