SONBS- SC-A0404 Audio Processor
SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-A0404 AUDIO PROCESSOR
FEATURES
Professional conference audio processing
Designed to handle multiple conference audio channels, providing high‑fidelity digital audio processing, mixing, and routing for wired or wireless conference systems.
Flexible input/output configuration
Supports multiple microphone inputs, line inputs, and speaker outputs, allowing centralized control of audio levels, EQ, and DSP functions.
SPECIFICATIONS
Input channels: 4 microphone / 4 line channels
Output channels: 4 speaker outputs, 2 line outputs
Frequency response: 20 Hz – 20 kHz
S/N ratio: > 85 dB
Distortion (THD): < 0.1%
Power supply: AC 100–240 V, 50/60 Hz
Dimensions: 482 × 300 × 88 mm
Weight: 6.2 kg
DSP functions: EQ, limiter, compressor, and mixing
Connectivity: RJ45 network, XLR, and RCA inputs/outputs
SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-304U 4 DESKTOP UHF CONFERENCE MICROPHONE
FEATURES
UHF Wireless Technology
Operates within the 635–685 MHz range with PLL frequency synthesis for stable and interference-free audio transmission. This ensures reliable sound quality in various conference environments.
Adjustable Frequency Channels
Offers 100 selectable frequencies per channel, allowing multiple systems to run simultaneously without interference. Ideal for small to medium-scale meetings.
Digital LCD Display
Features an LCD display showing power, frequency, and channel information. This simplifies monitoring and adjustments during use.
High-Quality Audio Performance
Provides a frequency response of 40Hz–18kHz with SNR >105dB and THD <0.5%. Delivers clear, natural, and consistent audio throughout the conference.
Durable and Versatile Design
Housed in a robust all-metal base for longevity. Compatible with handheld, lapel, headset, and desktop microphones for different speaking needs.
SPECIFICATIONS
Frequency band: UHF 520–580 MHz
Operating range: Up to 100 m line of sight
Audio frequency response: 50 Hz – 18 kHz
S/N ratio: > 80 dB
THD: < 0.5%
Battery: AA × 2 per microphone
Operating time: 6–8 hours per charge
Dimensions: 45 × 230 mm per microphone
Weight: 250 g per microphone
Connectivity: Paired with base station or integrated system via UHF link
Max SPL: 125 dB
SONBS AUDIO & VIDEO CONFERENCING SYSTEM SC-208U UHF WIRELESS
FEATURES
Flexible Wireless Connectivity
Supports multiple microphones over the UHF 640–690 MHz range with PLL frequency synthesis. Provides interference-free communication for medium to large conferences.
Extended Microphone Options
Compatible with handheld, lapel, headset, and desktop microphones. This allows customization based on user preference and meeting type.
User-Friendly Interface
Includes LCD display on microphones and control panel for real-time monitoring. Simplifies setup and operational management.
Reliable Audio Performance
Delivers clear, natural sound with high SNR and low distortion. Ensures professional audio quality for all participants.
SPECIFICATIONS
Operating Frequency: UHF 500 MHz – 690 MHz
Frequency Stability: ±0.001%
Signal‑to‑Noise Ratio (S/N): > 60 dB
Total Harmonic Distortion (T.H.D.): < 0.5%
Frequency Response: 40 Hz – 18 kHz
Microphone Power Consumption: 100 mA
Receiver Power Supply: DC 12 V – 17 V
Operating Range: 80–100 m (open environment); 50–80 m (complex environment)
Receiver Output: Independent: 0–400 mV; Mixed: 0–300 mV
