The D6221/D6222 Desktop Speaking & Voting Chairman/Delegate Units integrate speech, voting, and check-in functions with a high-sensitivity cardioid microphone and a bright LCD screen for clear and reliable conference operation. The built-in speaker automatically mutes when the microphone is active to prevent feedback, and dual headphone jacks allow adjustable monitoring. Connected via a dedicated 8-core DIN interface, the units support automatic camera tracking and multiple connection topologies, making them ideal for modern digital conference systems. The chairman unit provides priority and podium functions to efficiently manage the flow of meetings.
Model | D6221 D6222 | |
Structure Type | Desktop | |
Effective Frequency Range for Gain Limiting (±3dB) | Unit A Input to Unit B Monitoring | 80Hz-7kHz |
Host Line Input to Unit Monitoring | 20Hz-8kHz | |
Unit to Host Line Output | 80Hz-9kHz | |
Speaker Power | 1.5W | |
Static Power Consumption | <1W | |
Maximum Power Consumption | 2W | |
Signal-to-Noise Ratio | >80dB | |
Crosstalk Attenuation | >80dB | |
Harmonic Distortion | <0.5% | |
Headphone Output | 9dBu, 8-32Ω, 3.5mm | |
Operating Power | Powered by host, DC24V | |
Unit Interface | 8-Core DIN dedicated connector | |
Microphone | Microphone Type | Cardioid electret condenser |
Input Sensitivity | -45±2dBV/Pa | |
Frequency Response | 50Hz-16kHz | |
Maximum SPL | 115dB | |
Product Dimensions (W×D×H) | 218×120×50mm | |
Package Dimensions | 420×260×125mm | |
Net Weight | 1kg | |
Gross Weight | 2kg | |
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