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.

Desktop Speaking & Voting Delegate Unit D7152

  • Integrates multiple conference functions in one unit, including discussion, sign-in, voting, rating, messaging, and service requests.

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

  • Features an integrated square-column microphone stem with cardioid electret condenser microphone and dual-color indicator ring (red/green).

  • Excellent resistance to mobile phone interference.

  • Features a 4-inch square LCD touchscreen for real-time display of unit operating status.

  • 3.5 mm stereo headphone jack for monitoring other units.

  • Independent adjustment of microphone volume and headphone monitoring volume.

  • Each conference unit has a unique ID number. Press and hold the microphone on/off button to clear the ID and restore factory settings.

  • Built-in 3 UI themes with bilingual display support (Chinese/English).

  • Supports service requests such as pen, paper, staff assistance, tea, and coffee.

  • Supports camera auto-tracking when configured with a digital conference system host or PC control software.

  • Self-diagnostic functionality when connected to the control host. The items include: buttons, microphone, LED indicators, and LCD screen.

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


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DETAILS
SPECS

The D7152 Desktop Discussion & Voting Delegate Units integrate discussion, attendance registration, voting, messaging, and service request functions into a single elegant device. Featuring a 4-inch touchscreen display, high-sensitivity cardioid microphone, and advanced digital transmission technology, they deliver clear speech reproduction, intuitive operation, and excellent immunity to mobile phone interference. Ideal for government institutions, corporate boardrooms, conference centers, and professional meeting environments.

Specifications of Desktop Speaking & Voting Delegate Unit

Model

D7151/D7152

Structure Type

Desktop

Effective Frequency Range with Gain Limit (±3dB)

Unit A to Unit B

80Hz–12kHz

Host Line to Unit

80Hz–16kHz

Unit to Host Line Output

80Hz–16kHz

Static Power Consumption

<3W

Maximum Power Consumption

<3W

Signal-to-Noise Ratio

>80dB (A-weighted)

Harmonic Distortion

<0.3%

Headphone Output

9dBu, 8-32Ω, 3.5mm

Operating Power

Host +48V or +48V PoE

Unit Interface

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)

142×139×65mm

Package Dimensions

420×270×185mm

Net Weight

0.85kg

Gross Weight

2.0kg



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