Speech and
voting functions integrated
Built-in
magnet Wi-Fi speaker
High
brightness LCD screen
5 vote
buttons and chairman priority button
Conference
check-in function
Automatic
camera tracking function when used with camera
Approve
appl
Description
D6221
Desktop Chairman Speech/Vote Unit provides functions such as speech, vote,
check-in and self-checking.
It adopt
gooseneck 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.
It 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 thesame 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.
Specification
|
Model
|
D6221
|
|
|
Structure and Type
|
Desktop
|
|
|
Output frequency
response
|
45Hz-18kHz（-3dB）
|
|
|
Speaker Power
|
1.5W
|
|
|
Static power
consumption
|
<1W
|
|
|
Max. power consumption
|
2W
|
|
|
SNR
|
>80dB
|
|
|
Crosstalk Attenuation
|
>80dB
|
|
|
Harmonic distortion
|
<0.5%
|
|
|
Headphone Output
|
9dBu, 8-32Ω,3.5mm
|
|
|
Working Power Supply
|
DC 24V power supply
|
|
|
Port on the unit
|
8pin DIN socket
|
|
|
Microphone
|
Type of microphone
|
Electret, heart-shaped,
condenser type
|
|
Frequency response
|
40Hz-20kHz（-3dB）
|
|
|
Sensitivity
|
-45dBV/pa
|
|
|
Input impedance
|
2kΩ
|
|
|
Equivalent Noise
|
20dB (SPL)
|
|
|
Max SPL
|
125dB (THD<3%)
|
|
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