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.

Категория:
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

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