★ Full CNC design
★ Integrates speech, video tracking and sign-in functions.
★ Standard plug-in type with high-strength anodized aluminum
alloy square short microphone
★ The microphone is designed with an aluminum alloy shell,
which is durable.
★With a 2.8-inch color display, it has a circular clock dial
and an analog dynamic clock to display Beijing time.
★ With voice-activated power-off function: the microphone is
automatically turned off 30 seconds after the speech is over
★ The base has a red luminous ring, which lights up when turned
★ The unit is a passive device, powered by the system host, and
the input voltage is DC24V, which belongs to the safe range
★
Th
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hairman units in the system is not limited and
Technical Parameters
Working voltage DC24V (supplied by the
host)
Input, output 8P-DIN*1
Input Cardioid Electret
S
ens
i
t
i
vi
ty
Frequency r -e4 s6 p d oB nV/Pa
s
e 20Hz~20KHz
Input impedance 2k
Directivity 0°/180° > 20 dB (1 kHz)
Equivalent noise 20 dBA (SPL)
Microphone maximum sound pressure level
125 dB (THD<3%)
Signal-to-noise ratio >80dB
Channel crosstalk >80dB
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