D6223 Desktop Chairman Speech Unit provides functions such as speech, 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, this chairman microphone 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. Chairman unit has the priority to deliver speeches and the authority to approve speech application from delegates. It has the full authority to take control on the discipline at the conference site; in a D62 series digital conference system, it allows 2 chairman units at a same time, and the position of chairman units is free from position restrictions. Conference units are passive equipment and are powered by the controllers. The chairman microphone input voltage is 24V; they are easy to use, with clear voice and easy to install with fashionable appearance. Model D6223 Structure and Type Desktop Output frequency response 45Hz-18kHz（-3dB） Speaker Power 1.5W Static power consumption <1W Max. power consumption 2W SNR >80dB Crosstalk Attenuation >80dB Harmonic distortion <0.5% Headphone Output 9dBu, 8-32Ω, 3.5mm Working Power Supply DC 24V power supply Port on the unit 8pin DIN socket Microphone Type of microphone Electret, heart-shaped, condenser type Frequency response 40Hz-20kHz（-3dB） Sensitivity -45dBV/pa Input impedance 2kΩ Equivalent Noise 20dB (SPL) Max SPL 125dB (THD<3%) ● Speech-only conference unit ● Built-in magnet HiFi speaker ● On/off button and chairman priority button ● Conference check-in function ● Automatic camera tracking function when used with camera ● Approve applications of delegates for speeches ● Removable gooseneck. ● Gooseneck length: 315/320/415/430 mm ● Black/silver colors available
