D6222 belongs to conference room audio system, it is desktop delegate speech/vote unit provides functions such as speech, vote, check-in and self-checking. It adopts goose-neck microphone, built-in magnetic loudspeaker, headphone jack, and also provide power-on indicating light and button and light indicators.
In VOICE mode, it can realize voice controller on/off function. It has high speed digital processors and HiFi audio circuits, and can indicate the work status of LCD screen. Conference units are passive equipment and are powered by the controllers. The input voltage is 24V; they are easy to use, with clear voice and easy to install with fashionable appearance.
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 | |
D6235 Chairman Voting UnitAugust 21, 2017The D6235 and D6236 are embedded voting conference units designed for digital conference systems. Featuring a sleek flush-mount structure and intuitive button operation, the units provide efficient an...view
D6221 Conference Speech & Vote Chairman UnitNovember 30, 2016D6221 Desktop Chairman Speech/Vote Unit provides functions such as speech, vote, check-in and self-checking.view
D626D Condenser Microphone GooseneckApril 29, 2024The D626D is compatible with the D6223 and D6224 mic base.viewwe will contact you within 24 hours.
Hidden Speakers: A Marvelous Fusion of Technology and DesignMay 15, 2025The birth of hidden speakers signifies a bold innovation in both acoustic technology and industrial design. Traditional audio systems often require large cabinets to house the sound units and resonanc...view
DSPPA | With Partners: Libya Build 2024 RecapMay 7, 2024Abstract: DSPPA, with a Libyan distributor, showed acoustic solutions at Libya Build 2024, fostering regional ties for growth.view