D6221 Desktop Chairman Speech/Vote Unit provides functions such as speech, vote, check-in and self-checking. This chairman speaker adopt goose-neck microphone, built-in magnetic loudspeaker, headphone jack, and also provide power-on indicating light and button and light indicators. In VOICE mode, it can realize voice controller on/off function. The chairman loudspeaker has high speed digital processors and HiFi audio circuits, and can indicate the work status of LCD screen. Chairman unit has the priority to deliver speeches and the authority to approve speech application from delegates. It can call for voting and is free from limitations on number of spokesman. It has the full authority to take control on the discipline at the conference site; in a D62 series digital conference system, it allows 2 chairman units at a same time, and the position of chairman units is free from position restrictions. Conference units are passive equipment and are powered by the controllers. The input voltage is 24V; they are easy to use, with clear voice and easy to install with fashionable appearance.
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Model |
D6221/D6222 |
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Structure and Type |
Desktop |
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Output frequency response |
45Hz-18kHz（-3dB） |
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Speaker Power |
1.5W |
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Static power consumption |
<1W |
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Max. power consumption |
2W |
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SNR |
>80dB |
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Crosstalk Attenuation |
>80dB |
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Harmonic distortion |
<0.5% |
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Headphone Output |
9dBu, 8-32Ω, 3.5mm |
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Working Power Supply |
DC 24V power supply |
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Port on the unit |
8pin DIN socket |
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Microphone
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Type of microphone |
Electret, heart-shaped, condenser type |
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Frequency response |
40Hz-20kHz（-3dB） |
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Sensitivity |
-45dBV/pa |
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Input impedance |
2kΩ |
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Equivalent Noise |
20dB (SPL) |
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Max SPL |
125dB (THD<3%) |
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