SONBS- SC-3211C SC-3211D Conference Chairman Unit

  SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-3211C SC-3211D CONFERENCE CHAIRMAN UNIT  

FEATURES

• Superior Audio Clarity with Digital DSP

• Employs digital audio stream processing for richer, clearer sound and advanced RF noise resistance.

• Ergonomic & Intuitive Interface

• Includes a tactile speech‑request button, two‑color LED status (red speaking, green requesting), plus headphone volume knob and user login keys.

• Automatic Camera Tracking Support

• Integrates with central control systems to trigger auto camera tracking when the chair speaks.

• Reliable High‑Quality Build & Connectivity

• Utilizes aviation‑grade 8‑core connectors and T‑type “hand‑in‑hand” cabling for stable installation.

• Passive Operation Powered by System Controller

• Operates without onboard power—fully powered via DC 24 V from the conference host unit.

SPECIFICATIONS

• Power Supply: DC 24 V (via conference system host)

• Maximum Power Consumption: 3 W

• Headphone Output Impedance: 8‑32 Ω (via 3.5 mm mini‑jack)

• Speaker Output Power: 2 W (built‑in speaker)

• Microphone Type: Condenser diaphragm mic (cardioid)

• Microphone Sensitivity: ‑22 dB v/Pa

• Frequency Response: 60 Hz – 18 kHz

• Signal‑to‑Noise Ratio (S/N): > 80 dB

• Crosstalk Attenuation: > 80 dB

• Distortion: < 0.1%

• Equivalent Noise Level: ≈ 20 dB SPL

• Maximum SPL: 105 dB (3% distortion threshold)

• Unit Interface Connector: 8‑core aviation connector (dedicated)

• Dimensions: 127 mm (L) × 146 mm (W) × 62 mm (H)

  SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-3225C SC-3225D TOUCH BUTTON DESKTOP CHAIRMAN UNIT  

FEATURES

• Clear Digital Audio

• Utilizes advanced digital audio processing to deliver rich and clear sound quality. It also minimizes interference from RF signals, ensuring reliable communication during meetings.

• Capacitive LCD Display

• Equipped with a 3.5-inch high-brightness capacitive screen that displays microphone status, speaking time, calendar, and voting results. The display is waterproof, durable, and easy to clean for long-term use.

• Voting & Control Functions

• Supports timed speech, sign-in, and 3-key/5-key voting with multiple formats such as yes/abstain/against, elections, and ratings. These functions make managing meetings and decision-making more organized and efficient.

• Ergonomic Design

• Features a stylish and ergonomic design with a cardioid directional microphone that has a two-color LED indicator. A 3.5mm headphone jack allows personal audio monitoring, and the microphone can be removed during recess.

• Easy Installation

• Uses a serial “hand-in-hand” connection via CAT6 network cables, reducing cable clutter and simplifying setup. This design allows multiple units to be connected in series for a scalable conference system.

SPECIFICATIONS

• Display: 3.5-inch capacitive LCD screen

• Microphone Type: Cardioid directional condenser

• Connection Type: Serial connection via CAT6 network cable

• Voting Keys: 3-key/5-key voting options

• Audio Output: 3.5mm stereo headphone jack

• Audio Processing: Digital audio stream processing

• Interference Protection: RF signal interference avoidance

• Design: Ergonomic and stylish appearance

• Microphone Indicator: Two-color LED (red/green)

• Howling Suppression: Yes

  SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-3213C SC-3213D VOTING CONFERENCE MICROPHONE  

FEATURES

• Digital audio processing

• Adopts digital audio stream processing technology to enhance sound quality and clarity.

• Anti-interference design

• Uses special design and processing to avoid RF interference (e.g. from phones or other wireless devices) when picking up speech.

• Multi-mode conference functions

• Supports speech discussion, timed speech, application to speak, meeting sign-in, and different voting schemes (3-key / 5-key).

• Desktop / embedded installation

• Can be installed on a table or mounted flush/embedded in furniture.

• Directional condenser microphone

• Equipped with a cardioid condenser mic, with dual-color LED indicators and a conventional 3.5 mm stereo headphone jack for monitoring.

SPECIFICATIONS

• Power Supply: DC 24 V (provided by conference host)

• Signal-to-Noise Ratio (SNR): > 80 dB

• Channel Crosstalk: > 80 dB

• Frequency Response: 20 Hz – 20 kHz

• Total Harmonic Distortion: < 0.05%

• Maximum Power Consumption: 1.5 W

• Display: 16-character × 2-line LCD (white text on blue background)

• Interface / Connector: 8-pin “T-type” aviation connector (with 2 m cable)

• Microphone Stem Length: 420 mm (standard)

• Unit Dimensions (L × W × H): 160 × 160 × 55 mm

• Color / Finish: Dark grey