DH-592C
Wired Chairman Unit
The DH-592C Wired Chairman Unit is a high-performance conference microphone system designed to provide structured communication and efficient meeting control. Featuring a durable aluminum alloy microphone, it ensures reliable voice pickup and long-term professional use in conference halls, boardrooms, and corporate meeting environments.
- Durable Aluminum Alloy Microphone: High-quality anodized aluminum alloy construction ensures long-lasting durability with consistent and clear voice transmission.
- Built-In Speech Timer: Automatically starts counting when the microphone is activated, helping manage speaking time and maintain structured, time-efficient meetings.
- Integrated LED Status Indicator: Red glowing LED ring on the button provides real-time microphone status visibility, allowing participants to easily identify active microphones.
- Chairman Priority Override Control: Built-in chairman override function allows muting or controlling all delegate microphones to maintain order and smooth discussion flow.
- Seamless System Integration: Fully compatible with the DH-590M Conference Control Unit and supports hot-swappable connectivity for uninterrupted system operation.
Designed for professional conference environments, the DH-592C enables precise discussion control, reliable audio performance, and efficient moderation for formal meeting spaces.
Product Features
- DH-592C wired digital chairman conference microphone unit designed for professional discussion and meeting control applications.
- Network-managed chairman control microphone optimized for digital conference discussion systems with centralized operation.
- High-precision electret condenser microphone capsule engineered specifically for clear and intelligible speech reproduction.
- Cardioid directional pickup pattern with front-focused voice capture minimizes background noise and unwanted sound interference.
- Optimized frequency response of 80 Hz to 16 kHz delivers natural and articulate conference-grade audio clarity.
- Sensitivity rated at -45 dB +3 dB (1 kHz reference) ensures accurate speech pickup across varying speaking volumes.
- High signal-to-noise ratio of = 70 dB provides clean, noise-free voice transmission during meetings.
- Low equivalent noise level of = 20 dBA achieved through high-quality low-noise microphone electronics.
- Supports a maximum sound pressure level of up to 120 dB SPL for loud and clear speech without distortion.
- Wide dynamic range of up to 90 dB ensures natural voice reproduction with excellent detail and clarity.
- Total harmonic distortion kept below 0.5% at normal operating levels for faithful and distortion-free audio output.
- Durable anodized aluminum alloy microphone construction provides long-term reliability and professional-grade robustness.
- Detachable flexible aluminum gooseneck microphone allows easy positioning and precise speaker alignment.
- 8-core digital conference system interface with RJ45 connection ensures stable signal transmission and reliable system integration.
- Supports hot-plug and plug-and-play operation, allowing microphones to be connected or replaced without restarting the system.
- Built-in chairman priority override button enables instant muting and control of all delegate microphones for structured moderation.
- Integrated speech timer with speaking time counter supports disciplined discussion management and organized meetings.
- Red LED ring status indicator clearly displays the active microphone state for quick visual identification.
- Equipped with three multifunction control keys for time, date, and language configuration.
- Advanced RF and GSM immunity shielding protects against mobile phone and wireless interference.
- Powered by 24 V DC supplied directly from the conference control unit for stable and centralized power delivery.
- Energy-efficient design with power consumption of approximately 1.5 W during operation.
- Anti-slip base design with internal vibration and noise isolation ensures stable placement on conference tables.
- Designed to operate reliably within a temperature range of -10° to +50°.
- Safe storage temperature range of -20° to +60° for long-term durability.
- Supports humidity levels up to 90% (non-condensing) for dependable performance in varied environments.
- Supports multiple interface languages including English, Simplified Chinese, and Traditional Chinese.
- Compact physical dimensions of 200 x 150 x 60 mm allow efficient desk placement without clutter.
- Net weight of approximately 1.2 kg provides stability while remaining easy to handle and install.
- Ideal for use in boardrooms, courtrooms, council chambers, government halls, and corporate meeting rooms.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | DH-592C Wired Chairman Unit |
| Product Category | Wired Digital Chairman Conference Microphone Unit |
| System Type | Network-managed Chairman Control Microphone for Conference Discussion Systems |
| Microphone Capsule | High-precision electret condenser microphone for speech |
| Pickup Pattern | Cardioid directional microphone with front-focused voice capture |
| Frequency Response | 80 Hz - 16 kHz optimized for conference speech clarity |
| Sensitivity | -45 dB +3 dB (1 kHz reference) |
| Signal-to-Noise Ratio | = 70 dB for clean and noise-free voice |
| Equivalent Noise Level | = 20 dBA low-noise microphone electronics |
| Maximum Sound Pressure Level | = 120 dB SPL for loud and clear speech without distortion |
| Dynamic Range | = 90 dB wide dynamic range for natural voice reproduction |
| Total Harmonic Distortion | < 0.5% at normal operating level |
| Microphone Material | Anodized aluminum alloy microphone for durability |
| Gooseneck | Detachable flexible aluminum gooseneck microphone |
| Conference System Interface | 8-core digital conference wiring with RJ45 connection |
| Hot-Plug Support | Live plug-and-play microphone connection without system restart |
| Chairman Priority Control | Built-in chairman override button to mute and control all delegate microphones |
| Speech Timer | Integrated speaking time counter for structured meeting control |
| Status Indicator | Red LED ring showing active microphone state |
| Control Keys | Three multifunction keys for time, date and language settings |
| RF & GSM Immunity | Advanced shielding against mobile phone interference |
| Power Supply | 24 V DC from conference control unit |
| Power Consumption | = 1.5 W (energy-efficient operation) |
| Base Design | Anti-slip base with internal vibration and noise isolation |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +60°C |
| Humidity Tolerance | = 90% non-condensing |
| Supported Languages | English, Simplified Chinese, Traditional Chinese |
| Physical Dimensions | 200 x 150 x 60 mm |
| Net Weight | Approx. 1.2 kg |
| Recommended Use | Boardrooms, courtrooms, council chambers, government halls, corporate meeting rooms |
| Warranty | 3-year standard, extendable up to 5 years |
Product Dimension
Resources & Manuals
Software & Downloads
Coming Soon
Main Features
Structured Meeting Control for Professional Conferences
The DH-592C Wired Chairman Unit is designed to deliver precise control and reliable communication in professional conference environments. Featuring a durable aluminum alloy microphone, integrated speech timer, and clear LED status indication, it enables effective moderation and structured discussions in boardrooms, courtrooms, council chambers, and corporate meeting spaces.
Reliable Chairman Control with Clear Audio Performance
The DH-592C delivers clear and focused speech reproduction through its cardioid directional microphone and low-noise electronics. With chairman priority override control, hot-plug support, and seamless integration with the DH-590M Conference Control Unit, it ensures smooth, uninterrupted communication and disciplined meeting flow in professional conference environments.