SC-3750C SC-3750D Full-digital Conference Chairman Unit

SC-3750C/SC-3750D
Smart Full-Digital Conference Chairman/Delegate Unit
Description

Product Overview

 This state-of-the-art digital conference unit combines ergonomic design with cutting-edge technology, ideal for modern meeting rooms, boardrooms, and council chambers. Featuring superior anti-interference performance, crystal-clear audio, and flexible control modes including video tracking.

 

Features

 

  1. Full Digital Conference Technology: Ensures high-fidelity, stable audio transmission for professional-grade meetings.
  2. Ergonomic & Anti-Static Design: Modern, sleek desktop unit with a simple, strong anti-static casing for user comfort and durability.
  3. High-Strength Tempered Glass Surface: Scratch-resistant touch panel with sensitive light-touch keys for accurate, rapid control. No mechanical parts mean no wear and unlimited operational life.
  4. Super-Directional Microphone: Aluminum alloy integrated square microphone stem utilizing sound interference principles for excellent pickup and noise rejection.
  5. All-in-One Functionality: Integrates speech discussion, camera tracking (via controller), and conference services in a single unit.
  6. Long-Distance Digital Transmission: DSP technology overcomes signal attenuation. Supports up to 250 meters with 6-core cable and 150 meters with standard network cable.
  7. Flexible Chairman Control: Chairman unit features a priority button to mute all delegates. Delegate units can be assigned as VIP (uninterruptible) status.
  8. Power & Capacity: Low-power 24V DC supplied by central controller. A single loop supports up to 20 conference units.
  9. Strong Anti-Interference Technology: Digital shielding protects against interference from mobile phones, Bluetooth, radios, and WiFi signals.
  10. Presetable Camera Tracking: Compatible with conference controllers for easy preset of camera positions via controller, keyboard, or PC software.
  11. Multiple Speaking Modes: Supports FIFO (First-In-First-Out), Limited Speaker (1-6 speakers), and Request-to-Speak modes for adaptable meeting management.
  12. Live "Hot Plug" Capability: Units can be safely connected or disconnected during system operation without shutdown.
  13. High-Fidelity Audio: Uncompressed audio transmission with 48kHz sampling rate and 20Hz-20kHz bandwidth for perfect sound reproduction.
  14. Ultra-Low Latency: Audio delay from microphone to amplifier output is less than 10ms for real-time conversation.
  15. Long-Distance Pickup: Effective pickup distance exceeds 50cm for clear audio capture.
  16. Intelligent ID Addressing: Software or controller assigns unique unit IDs to prevent conflicts and simplify system setup.

 

Technical parameters

 

Power consumption

1.8W

System capacity

15 sets of six-core unit in single channel, which can be expanded to 51200 sets

Frequency response

20Hz~20KHz

Signal to noise ratio

>90dB

Dynamic range

96dB

Channel separation

102dB

Total harmonic distortion

< 0.05%

Microphone type

Imported gold film pickup head

Microphone sensitivity

(-42dBV/Pa)

Operating voltage

24V DC±5%

Operating current

40mA ±5%

Connection mode

Junction box

Number of units on

1/2/3/4/5/6

Equivalent noise

20dBA(SPL)

Maximum sound pressure level

125dB(THD∠3%)

Mic stem L

200mm

Unit connection port

6-core DIN

Net weight

0.8kg

External dimensions

127 × 97 × 57mm (excluding the MIC stem)

 

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