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 | |
D7233 Embedded Speech Chairman UnitSeptember 7, 2021The D7233/D7234 conference unit integrates functions such as speaking, voting, sign-in, self-test, tea application service and two-way intercom. Adopt cardioid directional condenser microphone, built-...view
D6233B Chairman MicAugust 21, 2017view
D6239 Microphone Extend Power SupplierAugust 21, 2017D6239 is a microphone battery charger that can safely and conveniently provide electricity and enhanced signal for the conference unit, which can be connected to a 4-way power supply, providing a maxi...viewwe will contact you within 24 hours.
Selection of Conference MicrophonesMarch 29, 2019Because different microphones have different effects on different sound sources, it is necessary to have a thorough understanding of the technical characteristics, functions and applicable occasions o...view
Technology of Digital Conference System in Multifunctional HallJune 22, 2022A multi-function hall refers to a place that can be used to hold various meetings, academic discussions, speeches, reports, press releases, product displays, multimedia teaching and training, watching...view