VISSONIC ELECTRONICS LIMITED
VISSONIC ELECTRONICS LIMITED WWW.VISSONIC.COM Digital DSP Conference system manufacturer
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Multifunctional Embedded Conference Mircrophone CAT5 Digital Flush-mounting Discussion
Chairman Unit
VIS-DCC-F
Main Features
● Compliance with IEC 60914, GBT 15381-94
● The unique AUDIO-LINK digital ring network technology achieve full-digital signal transmission and processing, completely avoid the RF interference from cell phone or similar devices.
● One CAT5e cable to transmit 64 channel audio and other signals
● High fidelity sound by zero loss audio transmit technology, 48K audio sampling frequency, 20Hz~20KHz response frequency
● "Hand-in-Hand-Loop-Network" connection makes the system always working perfectly no matter changing discussion unit or having any malfunctioned units
● This system automatically assigned to each unit independently ID to avoid duplicate ID conflict
● The microphone sensitivity of each unit and 16 level equalizer EQ can be adjusted independently
● The 16-level equalizer EQ to achieve sound or the whole conference field adjustment, limiter to prevent the sound suddenly become loud or low; noise gate of human voice can be identified; support AGC(Automatic Gain Control)/AFC(Adaptive Feedback Cancellation)/ANC(Active Noise Control )/Mix (Auto-Mix) technology
● Build-in functions for intercom
● Hot-swap for any system unit, and the controller has auto-recovery function
● Precise directional microphone head with anti-wind microphone foam cover, with two-color LED indicator
● Support interpretation function with 64 channels selector which can display the language and channel number(Insert the earphone and the channel selector is active)
● Button for MIC ON/OFF, Priority & Apply Answer button for chairman unit
Technical Parameters
Button: Touchable interface, no physical buttons
Sound Pickup: heart type capacitance
Sensitivity: -46 dBV / Pa
Maximum power consumption: 2.0W
Directivity: 0 ° / 180 °> 20 dB (1 kHz)
Headphone load: 16Ω
headphone volume: 10mW
Headphone jack: 3.5mm stereo
Input impedance: 2kΩ
SNR: 70dB
Frequency response: 20 ~ 20000Hz
Equivalent noise: 20dBA (SPL)
Main material: Aluminum
The maximum sound pressure: 125dB (THD <3%)
Weight: 0.6kg (with microphone)
Dimension: 100W × 40H× 65H mm (without microphone)
Operating temperature: 0 ℃ to + 55 ℃
Color: Black