Parameter Name | Parameter Value |
Compliance Standard | IEC 60065 International Standard |
System Capacity | 20 units per channel, expandable to 76,800 units |
Microphone Type | Cardioid polar pattern electret, 2*14mm gold-plated diaphragm |
Frequency Response | 20Hz~20KHz |
Signal-to-Noise Ratio | >90dB |
Dynamic Range | >98dB |
Total Harmonic Distortion | <0.05% |
Microphone Sensitivity | -35dB±2dB |
Operating Voltage | 24V DC±5% |
Operating Current | 100mA±5% |
Connection Method | T-type head, daisy-chain |
Connector | Large 8-pin (or network port) |
Number of Units Activated | 1/2/3/4/5/6/7/8/9 or all |
Numbering Function | Customizable ID numbering |
Unit Power Consumption | 2W |
Equivalent Noise | 20dBA (SPL) |
Maximum Sound Pressure Level | 125dB (THD<3%) |
Headphone Output Interface | 3.5mm stereo jack |
Headphone Load | >16Ω |
Headphone Volume | 10mW |
Дисплей | 3.5″ LCD touchscreen and touch glass panel |
Number of Chairperson Units | 150 units |
Number of VIP Units | 150 units |
Color | Black |
Вес | 1.05Kg |
Размеры | 130x100x55mm (excluding microphone bar) |
Installation Method | Desktop-style |
RK-300D
The microphone stand is made of zinc-aluminum alloy and features two 14mm high-fidelity gold-plated condenser capsules. The microphone stand is designed with 32,500 high-density sound interference holes with a diameter of 0.4mm, providing an effective pickup distance of 60-100cm. It is equipped with a 3.5-inch high-definition LCD fully laminated touchscreen that can display unit logos, participant information, speaking time, conference services, perpetual calendar, and voting data. The unit is waterproof and dustproof, with a speaking timer and timed speaking function, supporting dynamic display of speaking time, and allowing for the setting of a countdown for speaking time. It features three color indicators: red for normal speaking, green for VIP unit speaking, and yellow for numbered status. There is one 3.5mm headphone jack, allowing for the adjustment of the listening volume to suit individual preferences.
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