Compliant with IEC 60914 international standard.
Pure speech conference mic.
Electret cardioid directional capacitive pickup with two-color indicator light (red/green), red for speaking, and green for applying for speaking.
Using a microphone rod with knob-type interface, and a mini microphone.。
With two options for microphone rods: square and gooseneck. The square microphone rod is made of aluminum alloy, with 186mm in length; the gooseneck microphone rod is available in black and silver colors, with 315mm and 415mm in length optional.
With internal magnetic high-fidelity speaker, which will be automatically muted when the microphone is turned on to avoid howling.
With 3.5mm stereo headset jack connected to the headphone, with adjustable volume.
With super strong anti-interference ability.
With MIC button, and chairman priority button for the chairman mic.
With button check-in function.
With a unique ID number for each conference mic.
Equipped with a camera, it can realize automatic tracking after setting by the digital conference system host or PC control software.
Equipped with the control host, the mic has a self-test function. The items to be tested include: buttons, MIC, LED indicator and built-in speaker.
The mic is a passive device, powered by the system host with + 48V PoE.
With automatic equalization function to suppress howling. When the microphone is turned on, the speaker of this mic is automatically turned off to prevent the sound from returning.
When the microphone is turned on, there is a beep sound, which can be set to ON or OFF.
Through the host settings, the chairman mic has the priority function (can mute or turn off all delegate mics), and the podium mode (the chairman mic is always on).
The chairman mic has the permission to approve the application for speaking from the delegate mic.
The chairman mic can be turned on freely without being restricted by the number of speaking mics, and its connection position is not restricted.
The chairman mic has the priority function of fully controlling the conference order.
Support “hand-in-hand” connection mode.
Model | D7224 | |
Structure type | Desktop | |
Effective frequency of gain limit (±3dB) | Unit A to Unit B | 50Hz-14kHz |
Host line to unit | 30Hz-18kHz | |
Unit to host line output | 40Hz-16kHz | |
Speaker power | 1.5W | |
Static power | <5W | |
Maximum power consumption | 8W | |
SNR | >76dB | |
Crosstalk attenuation | >80dB | |
Harmonic distortion | <0.3% | |
Headphone output | 9dBu, 8-32Ω, 3.5mm | |
Working power | Host + 48V PoE power supply | |
Unit interface | Dante network interface | |
Microphone | Microphone type | Electret cardioid capacitive microphone |
Sensitivity | -30dBV/pa | |
Input impedance | 2kΩ | |
Equivalent noise | 20dB(SPL) | |
Max. SPL. | 125dB(THD<3%) | |
Package dimensions (W×D×H) | 251×301×130 mm | |
Machine dimensions (W×D×H) | 110×181×77mm | |
Gross weight | 1.8kg | |
Net weight | 0.5kg | |
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