Vissonic VIS-WDC Series: Wireless digital discussion system
Model VIS-WDC Series
Overview
The VIS-WDC series makes up the CLEACON V1 wireless digital discussion system, designed for rooms where a clean, cable-free desk is required.
It uses standard Wi-Fi technology at 2.4/5 GHz with uncompressed digital audio, offering low latency and high RF interference immunity.
Each unit includes a plug-in cardioid microphone, high-fidelity internal speaker, dual headphone output, and an informative OLED display.
Software configuration allows defining chairman/delegate roles, operating modes, and microphone limits, as well as integrating voting and camera tracking.
Technical specifications
Wireless · Technology
Standard Wi-Fi compatible with other Wi-Fi networks; supports 2.4 GHz and 5 GHz (depending on version/region).
Wireless · Latency
Ultra-low audio latency suitable for real-time discussion.
Wireless · Security
128-bit digital encryption, WPA2, MAC filtering, and SSID hiding to prevent eavesdropping and unauthorized access.
Wireless · Units Per AP
A single access point can handle more than 40 wireless units; expandable by adding more APs.
Wireless · Active Units
Up to 6 units active (open microphones) at the same time.
Audio · Transmission
Fully digital transmission and processing, uncompressed audio 20 Hz – 20 kHz.
Audio · Processing
AGC (automatic gain control), AFC (adaptive feedback cancellation), ANC (active noise cancellation), and auto-mix.
Audio · Internal Speaker
Integrated high-fidelity speaker that mutes automatically when the microphone is opened to prevent feedback.
Audio · Headphone Outputs
Two 3.5 mm stereo headphone outputs with volume control on both sides of the unit.
Audio · Line Input
Optional line input for connecting a mobile phone, laptop, or other source for teleconferencing or local feed.
Unit · Design
Sleek low-profile design with touch interface and no visible mechanical buttons.
Unit · Display
2.23" OLED display with backlight showing signal level, battery status, time/date, and speaking timer.
Unit · Microphone
High-precision cardioid microphone capsule with windscreen foam and two-color LED ring.
Unit · Buttons
Touch MIC ON/OFF button; chairman version includes priority button and Apply/Answer. Models with 5 integrated voting buttons available.
Unit · Role Configuration
All units can be configured via software as chairman or delegate (VIS-WDC-T model).
Unit · Timer
On-screen timer to limit speaking time per delegate, with a warning or automatic microphone cut-off.
Unit · Intercom
Internal intercommunication functions between units and controller.
Unit · Firmware Update
Integrated MCU with wireless firmware update support.
Unit · Emergency Power Input
2.5 mm DC power connector for operation without a battery when needed.
Conference Modes · Modes
OPEN: free mode, limited only by the maximum number of configured active microphones (1/2/4/6). · OVERRIDE: FIFO; the new speaker replaces the oldest when the maximum is reached. · VOICE: voice-activated without pressing a button, with adjustable sensitivity and off-timer. · APPLY: request to speak before being able to talk.
Auto-tracking · Camera
Integrable with HD cameras and video matrices via RS485/RS232 using PELCO/VISCA protocols for auto-tracking.
Auto-tracking · Control
Microphone activation can trigger camera presets and video wall scenes.
Key features
- Fully digital Wi-Fi wireless communication with 128-bit encryption and support for dozens of units per AP.
- OLED display showing signal level, battery status, time, date, and speaking turn timer.
- Plug-in cardioid microphone with two-color LED ring and internal speaker that mutes automatically when the mic opens.
- Advanced DSP processing (AGC/AFC/ANC/auto-mix) that improves intelligibility and prevents feedback.
- Multiple discussion modes (OPEN, OVERRIDE, VOICE, APPLY), integrated voting, and camera auto-tracking support via standard protocols.
More Conference systems products
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VIS-WSC Series
Wireless digital discussion unit with dual channel selector for simultaneous interpretation, based on Wi-Fi 2.4/5 GHz, fully uncompressed digital audio, OLED display, plug-in cardioid microphone, and dual headphone outputs for listening to different languages.
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Vissonic
VIS-WVC
Wireless conference system unit with voting, equipped with Wi-Fi 5G technology, OLED display and touch control for efficient and secure operation.
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Relacart
CS-302C
Chairman unit for the Relacart CS-302 wired conference system, with voice activation, OLED display, and priority function for full control of the discussion.
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Relacart
CS-302D
Delegate unit for the Relacart CS-302 wired conference system, with a cardioid gooseneck microphone, voice activation, and support for integration with networked audio systems such as Dante when used with the central controller.
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