DH-590M
Conference Control Unit
The DH-590M Conference Control Unit is an advanced central management system designed to facilitate seamless and structured discussions in professional meeting environments. Supporting both DH-592C Chairman Units and DH-592D Delegate Units, it ensures real-time microphone control, multiple discussion modes, and intuitive system operation for smooth and efficient conferencing.
- Advanced Conference Management: Supports multiple discussion modes including FIFO, LIFO, chairman priority mode, restricted mode, and full open mode, enabling flexible and well-structured meeting control.
- Seamless Microphone Integration: Fully compatible with DH-592C Chairman Units and DH-592D Delegate Units, supporting up to 120 microphone units with hot-swappable connectivity for uninterrupted meetings.
- Intuitive Touchscreen Control: Equipped with a 4.3-inch IPS capacitive touchscreen that allows easy system configuration, real-time monitoring of active microphones, and quick access to meeting settings.
- Clear & Interference-Free Audio: Integrated audio mixing with automatic gain control (AGC) and built-in GSM interference protection ensures clear, stable, and uninterrupted audio transmission.
- Professional Audio & Recording Connectivity: Features balanced audio output and RS232 control interface for seamless integration with external sound reinforcement, broadcasting, and recording systems.
Built for boardrooms, council chambers, courtrooms, and professional conference environments, the DH-590M delivers reliable control, superior audio clarity, and flexible system management for modern meeting spaces.
Product Features
- Network-managed digital conference control unit designed for wired chairman and delegate discussion systems, built on a digitally coordinated conference management platform with an embedded real-time processing engine.
- Sequential hand-in-hand node connection topology enables reliable large-scale expansion, supporting up to 120 discussion units within a single conference system.
- Equipped with 4 x RJ45 conference ports and 4 x 8-pin multi-core conference ports, where RJ45 ports support up to 20 units per port and multi-core ports support up to 30 units per port.
- Hot-swappable (live-insertion capable) discussion units allow units to be connected or replaced without interrupting ongoing meetings.
- Supports FIFO, LIFO, Restricted, Chairman Priority, Supervisory Override, and Full Open discussion modes with adjustable limits from 1 to 12 simultaneously active microphones.
- Programmable speech duration from 0 to 999 seconds with configurable inactivity-based microphone deactivation and push-to-talk operation featuring chairman and supervisory override capability.
- Digitally managed conference audio mixing with automatic gain control (AGC) and built-in GSM interference immunity delivers clear, stable audio performance across a 20 Hz - 20 kHz frequency range, optimized for speech clarity between 100 Hz - 14 kHz, with a signal-to-noise ratio of = 78 dB.
- Standardized digital clocking architecture with high-resolution digital word-length processing ensures consistent audio synchronization and professional-grade sound quality.
- Audio connectivity includes balanced XLR output, RCA line output, and 6.35 mm monitor output, along with 2 x RCA line inputs for PC, wireless microphone receivers, or external media sources.
- RS-232 interface enables centralized automation and control system integration, while Ethernet-based system communication incorporates electromagnetic noise suppression for stable operation.
- Features a 4.3-inch capacitive IPS color touchscreen for live monitoring, configuration, real-time microphone status visualization, and credential-protected system access.
- Operates on AC 100-240 V, 50/60 Hz power input with a maximum power consumption of 120 W, engineered for continuous professional AV and conference system environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | DH-590M Conference Control Unit |
| Product Type | Network-managed digital conference control unit for wired chairman and delegate discussion systems |
| System Architecture | Digitally coordinated conference management platform with embedded real-time processing engine |
| Compatible Units | Works with designated chairman and delegate discussion units (DH-592C / DH-592D series) |
| Connection Topology | Sequential hand-in-hand node connection topology for large-scale expansion |
| System Capacity | Supports up to 120 discussion units in one system |
| Per-Port Loading | RJ45 ports: up to 20 units each; Multi-core ports: up to 30 units each |
| Discussion Unit Ports | 4 x RJ45 conference ports + 4 x 8-pin multi-core conference ports |
| Live Unit Handling | Hot-swappable (live-insertion capable discussion units) |
| Microphone Access Modes | FIFO, LIFO, Restricted, Chairman Priority, Supervisory Override and Full Open modes |
| Concurrent Microphones | Adjustable limit from 1 to 12 simultaneously active microphones |
| Speech Time Control | Programmable speech duration from 0 to 999 seconds |
| Automatic Timeout | Configurable inactivity-based microphone deactivation |
| Push-to-Speak Logic | Push-to-talk with chairman and supervisory override capability |
| Audio Processing | Digitally managed conference audio mixing with automatic gain control (AGC) and GSM interference immunity |
| Audio Frequency Response | 20 Hz - 20 kHz full-range; optimized 100 Hz - 14 kHz for speech clarity |
| Signal-to-Noise Ratio | = 78 dB (1 kHz reference) |
| Audio Clocking | Standardized digital clocking architecture with high-resolution digital word-length processing |
| External Audio Inputs | 2 x RCA line inputs for PC, wireless mic receiver, or media sources |
| Audio Outputs | 1 x Balanced XLR, 1 x RCA line output, 1 x 6.35 mm monitor output |
| Input Impedance | Line: 50 kΩ, Conference Bus (PBIN): 50 kΩ |
| Output Impedance | Recording: 200 Ω, Line: 200 Ω, Balanced: 300 Ω, Unbalanced: 400 Ω |
| Control & Integration | RS-232 interface for centralized automation and control systems |
| Network Interface | Ethernet-based system communication with electromagnetic noise suppression |
| Operator Interface | 4.3-inch capacitive IPS color touchscreen for live monitoring and configuration |
| Security | Credential-protected system configuration access |
| Power Input | AC 100-240 V, 50/60 Hz |
| Maximum Power Consumption | 120 W |
| Protection Design | Integrated electrical and EMI protection architecture |
| Mechanical Format | 19-inch rack-mount metal chassis |
| Dimensions | 480 x 325 x 88 mm |
| Weight | Approx. 8.5 kg |
| Environmental Use | Indoor professional AV and conference environments |
| Applications | Boardrooms, council chambers, courtrooms, corporate meeting rooms, and institutional conference halls |
| Warranty | 3-year standard warranty (extendable up to 5 years) |
Product Dimension
Resources & Manuals
Software & Downloads
Coming Soon
Main Features
Centralized Control for Professional Conference Environments
Connectivity includes balanced XLR output, RCA line output, and a 6.35 mm monitor output, along with RS-232 interface for centralized automation and Ethernet-based system communication with electromagnetic noise suppression. The unit operates on AC 100-240 V, 50/60 Hz with a maximum power consumption of 120 W.
Reliable Audio Control with Scalable System Design
Designed for scalable installations, the DH-590M supports up to 120 discussion units using 4 x RJ45 conference ports and 4 x 8-pin multi-core ports. RJ45 ports support up to 20 units each, while multi-core ports support up to 30 units per port. All discussion units are hot-swappable, allowing live insertion without system interruption.