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The digital conference host can connect up to 32 conference units.
Equipped with 0.96-inch OLED display, showing model, IP, menu, and other information, with function buttons for comprehensive control.
Allows setting the maximum number of speakers allowed to speak concurrently (1–6).
Offers four conference modes: FIFO mode, free mode, normal mode, and apply mode.
Includes volume adjustment for controlling output signal levels.
Two RCA (unbalanced) audio input ports for receiving audio signals from amplifiers or mixers.
One XLR (3-pin balanced) audio output for connection to professional amplifiers, mixers, or audio processors.
Supports seamless integration with AI voice transcription systems (D7601, D7604) via network connection, enabling real-time speech-to-text functionality.
Equipped with one RJ45 network port, supporting TCP/IP protocol and full remote system control via built-in web interface.
Includes data management functions such as speaker limit control.
Supports screen standby mode for energy-saving operation.
Features unit detection with both automatic and manual modes.
Two 8-pin DIN aviation connectors for "daisy-chain" connection of conference units.
All-metal enclosure with enhanced grounding connections; provides electrostatic discharge protection of 10kV (contact) and 15kV (air).
The D74 Series Intelligent Digital Conference System is built on a professional ARM platform and integrates advanced DSP audio processing with high-fidelity circuit design. Offering high-quality audio transmission and reliable digital control, it provides an all-in-one solution for modern conference applications. The system includes the D74 Series Conference Host—comprising the digital conference system host and conference units—and supports features such as speech discussion, conference cascading, and seamless AI speech-to-text integration. With hand-in-hand connection via 8-core cables and cross-shaped adapters, the system ensures easy installation, stable performance, and strong anti-interference capability.
The D7401 Digital Conference System Host serves as the central component of the D74 Series, offering robust control and power distribution for up to 32 conference units. It supports multiple conference modes—including FIFO, Normal, Free, and Apply modes—as well as real-time AI transcription and remote control via TCP/IP. With features such as unit detection, configurable speaker limits, and audio input/output interfaces, the host delivers a streamlined, highly integrated solution ideal for high-end on-site sound reinforcement and intelligent meeting management.
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