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  • Digital Discussion System Central Unit
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Digital Discussion System Central Unit

    DN20MS

    Overview


    The Digital Discussion System Central is a high-performance conference solution engineered to IEC60914 international standards. This Central Unit delivers clear audio, robust reliability, and flexible configuration for meetings of any scale. Built on a strong digital network architecture with a high-performance CPU, it ensures seamless audio transmission, chairman control, and real-time system management. Ideal for government halls, corporate boardrooms, educational centers, and multifunctional conference spaces, it provides a professional-grade solution for modern digital discussions.


    Product features


    Advanced Digital Core & Network Architecture

    • High-performance CPU ensures fast signal processing, stable operation, and superior sound quality.

    • Compliant with IEC60914, the Digital Discussion System Central guarantees international interoperability.

    • Supports IP-based grid connections, TCP/IP management, and wireless control via WiFi for distributed conference management.

    Flexible & Scalable System

    • A single Central Unit can operate independently or integrate multiple units to form a unified Digital Discussion System Central.

    • Supports multi-room applications and system expansion without compromising reliability or performance.

    Reliable Audio & Microphone Management

    • AoIP interface delivers low-latency, high-efficiency audio across all units.

    • Ring connection topology ensures one microphone failure does not disrupt the system.

    • Hot-plug support allows microphones to be added or removed without powering down.

    • Adjustable polar patterns (Omni, Wide Cardioid, Cardioid, Super Cardioid, Figure-8) optimize sound pickup.

    Power & Backup Solutions

    • PoE allows simultaneous transmission of data and power over a single cable.

    • External and extension power options enhance reliability.

    • Analog audio backup ensures continuous meetings even during network interruptions.

    Smart Control & Professional Design

    • Camera tracking integration automatically follows speakers using preset positions.

    • Optional 4-inch touchscreen allows control of speech modes, speaker limits, and audio adjustment.

    • Metal housing with reinforced grounding ensures EMI protection and long-term durability.

    • Unique ID assignment for each unit enables precise system management.


    Technical Parameters


    Power input:POE+, AC100-240V
    Audio output mode:AoIP 6.35 balanced output
    Mic Input:RJ45
    Connection:hand-held, support ring connection
    Control (RJ45):TCP/IP

    Static power consumption:

    External power supply 4W, POE power supply 8W.
    Frequency response: 20Hz-20kHz
    Wall control screen interface:voltage 24V, distance≦100M
    PoE Standard:IEEE 802.3af, IEEE 802.3at
    PoE:

    10BASE-T: Category 3, 4, 5 unshielded twisted pair (≤100 meters).  100BASE-TX: Category 5 or above unshielded twisted pair (≤100 meters)

    POE power:60W non-isolated
    AoIP:2-channel, plug-and-play, auto-discovery device
    Signal-to-noise ratio (S/N): >80dB
    Weight: 3.5kg
    Dimensions:430*235*44mm


    DN20MS

    Corporate Advantages

    • Source Factory

      Source Factory

      16 years of focus on conference system R&D and production factory, following international standards.

    • OEM/ODM

      OEM/ODM

      OEM and ODM customized services to meet individual needs.

    • Self-developed Stack

      Self-developed Stack

      Strong R&D capabilities, continuous optimization and iteration, based on superb.

    • Core Intellectual Property

      Core Intellectual Property

      50 patents and more than 200 intellectual property rights.

    • Service and Support

      Service and Support

      1 year comprehensive warranty, providing responsive support to ensure customer satisfaction.

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    Honors and Certifications

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