SPON TS-905A - Digital Sound Pick-ups ceiling speaker , ลำโพงเพดาน , ลำโพงฝังฝ้า , ลำโพงติดเพดาน

• 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).

SPECIFICATIONS