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.

Economic Full Digital Conference System Delegate MIC Unit D7224A

  • Discussion-only conference unit.

  • Comes with a 2-meter dedicated high-density cable with RJ45 connector.

  • Equipped with a cardioid electret condenser microphone with a dual-color LED indicator (red/green).

  • Standard aluminum alloy square microphone stem; optional gooseneck microphone stem available.

  • Microphone stem can be detached during recess for convenient maintenance and storage.

  • Excellent resistance to mobile phone interference.

  • Supports key-based sign-in function.

  • Each unit has a unique ID number.

  • Compatible with cameras: after configuration via the digital conference system host or PC software, the unit can support automatic camera tracking.

  • Self-diagnostic functionality when connected to the control host. Self-check function for unit: buttons, microphone, and LED indicators.

  • Passive unit powered by host system or PoE switch, with an input voltage of +48V input.

  • Chairman unit supports priority function and podium mode through host configuration.

  • Chairman unit can approve speaking requests from delegate units.

  • Chairman unit can be activated freely without limitation on the number of active speakers, and its connection position is unrestricted.

  • Chairman unit provides full priority control over meeting proceedings.


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Economic Full Digital Conference System Delegate MIC Unit
Economic Full Digital Conference System Delegate MIC Unit
Economic Full Digital Conference System Delegate MIC Unit
Economic Full Digital Conference System Delegate MIC Unit
Economic Full Digital Conference System Delegate MIC Unit

Specifications of Economic Full Digital Conference System Delegate MIC Unit

Model

D7223A D7224A

Structure Type

Desktop

Effective Frequency Range for Gain Limiting (±3dB)

Unit A to Unit B

50Hz-14kHz

Host Line to Unit

30Hz-18kHz

Unit to Host Line Output

40Hz-16kHz

Speaker Power

1.5W

Static Power Consumption

<6W

Maximum Power Consumption

8W

Signal-to-Noise Ratio

>75dB

Crosstalk Attenuation

>80dB

Harmonic Distortion

<0.5%

Headphone Output

9dBu, 8-32Ω, 3.5mm

Operating Power

Powered by host system or PoE switch, with an input voltage of +48V input.

Unit Interface

Dante network interface

Microphone

Microphone Type

Cardioid electret condenser

Input Sensitivity

-42±2dBV/Pa

Frequency Response

50Hz-20KHz

Maximum SPL

125dB

Product Dimensions (W×D×H)

175×133×46mm

Package Dimensions

485×280×120mm

Net Weight

0.8kg

Gross Weight

2.4kg





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