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A discussion conference unit integrating speaking and attendance functions.
Equipped with a cardioid electret condenser microphone and a dual-color LED indicator ring (red/green). Square-stem and gooseneck microphone versions are available.
Features a microphone button for speaking, while the chairman unit is additionally equipped with a chairman priority button. The microphone button can be used for speaking, attendance registration, and unit numbering.
Each conference unit has a unique ID number.
When used with cameras, automatic camera tracking can be achieved after configuration through the digital conference system host or PC control software.
When used with the system host, the unit supports self-detection.
The unit is a passive device powered by the system host with a 24 V DC supply voltage.
Through system host settings, the chairman unit supports priority and podium modes.
The chairman unit can approve speaking requests from delegate units.
The chairman unit is not restricted by the maximum number of active speakers and can be activated freely.
The chairman unit features a priority function for maintaining full control of conference proceedings.
The connection position of the chairman unit is not restricted.
Supports T-type and cross-type connection configurations.
The D5921 / D5922 / D5923 / D5924 Series desktop conference units combine clear voice pickup, intuitive operation, and flexible system integration for efficient conference communication. Available in chairman and delegate versions with square-stem or gooseneck microphone options, the series offers a practical and adaptable solution for modern meeting environments.
Model | D5921 D5922 D5923 D5924 | |
Structure Type | Desktop | |
Effective Frequency Range with Gain Limiting (±3 dB) | 80 Hz–12 kHz | |
Static Power Consumption | < 0.5 W | |
Maximum Power Consumption | < 1 W | |
Signal-to-Noise Ratio | > 70 dB(A-weighted) | |
Crosstalk Attenuation | > 75 dB | |
Harmonic Distortion | < 0.5% | |
Input Sensitivity | 35 mV ± 5 mV | |
Input Impedance | 2 kΩ | |
Power Supply | DC 24 V, powered by the system host | |
Unit Interface | Dedicated 8-pin DIN interface | |
Microphone | Microphone Type | Cardioid Electret Condenser Microphone |
Input Sensitivity | -42 ± 2 dBV/Pa | |
Frequency Response | 50 Hz–20 kHz | |
Maximum SPL | 125 dB | |
Product Dimensions (W × D × H) | 114 × 160 × 64 mm (excluding microphone) | |
Product Weight | 0.65 kg | |
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