编号 :
HM-211CW
HM-211CW chairman unit
HM-211CW
零售价
市场价
keywords:
重量
Inventory:
隐藏域元素占位
- Overview
- Product Support
- Specs
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Features:
1. Compliant with IEC 60914 and GBT 15381-94 international standards.
2. Features patented, elegant, and professional appearance designed for modern aesthetics.
3. Equipped with professional, high-fidelity condenser microphone capsules for sensitive pickup and clear audio with a 20Hz–20kHz bandwidth.
4. Anti-interference circuit design effectively prevents disruption from mobile phones and other electronic devices.
5. LED indicator ring on the microphone head visually displays speaking/standby status.
6. Speech button with illuminated icon remains steadily lit when the microphone is active.
7. Unit is a passive device, powered directly by the system host via safe 24V input.
8. Voice activation function automatically powers on the microphone unit upon speech detection.
9. Supports multiple chairman units, installable at any position, with priority function to override speakers and maintain meeting decorum.
10. Utilizes a convenient "daisy-chain" Ethernet connection for simplified installation and maintenance.
PARAMETER
Electrical & Connection
• Operating Voltage: DC 24V (Supplied by Host Unit)• Input/Output: 8-pin DIN (T-type cable connection)
Audio Performance
• Microphone Type: Cardioid Electret Condenser
• Sensitivity: -46 dBV/Pa
• Frequency Response: 20 Hz - 20 kHz
• Input Impedance: 2 kΩ
• Directivity 0°/180°: > 20 dB (at 1 kHz)
• Equivalent Noise Level: 20 dB(A) SPL
• Maximum SPL: 125 dB (THD < 3%)
• Signal-to-Noise Ratio: > 80 dB
• Crosstalk Attenuation: > 80 dB
• Total Harmonic Distortion: < 0.05%
Physical Specifications
• Dimensions (without gooseneck): 188 × 128 × 52 mm
• Weight: 1.0 kg
• Color: Gray
• Mounting Type: Desktop
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Add: No. 20, 22, 24, 5th Road, Shuinan Development Zone, Nanpu Village, Xintang Town, Zengcheng District, Guangzhou, Guangdong , China
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