Ceiling-mounted installation, It`s mainly used for indoor sound pickup scenario in professional industry in the finance, justice, public security, education, government department etc

●With the treatment of sandblasting and oxidation on the metal shell, the overall appearance looks elegant and noble
●With professional interview microphone, refined design and circuit processing technology to make sound quality clear and natural;
●To adopt SPON autonomous noise reduction algorithm to reduce effectively background and environmental noise, available for adjusting proper noise reduction mode according to different scenes.
●High-speed voice DSP processing unit combined with AEC technology makes the sound pickup with the features of fast and stable response and high speech intelligibility.
●With self-checking function to report automatically fault status of the sound pickup.
●With a built-in AGC circuit to suppress high-intensity sounds automatically and eliminate the sound differences near and far.
●With dual recording function to realize audio and video composite and restore the scene highly.
●With concealed anti-dropping structure for installation in a variety of environments
●With working temperature  range  of  -25 ° C ~ 70 ° C to meet a variety of harsh environments;
●With function of polarity reversal of power supply and lightning strike protection.
●With an integrated professional voice processing chip for connecting active speakers, PC, DVR, IP camera etc.
●With ultra-strong audio line transmission technology, the signal transmission distance can reach 3000 meters (Recommend to use shielded cable for complex electromagnetic environment).