English
| >Pointing direction adjustable installation structure, with the treatment of sandblasting and oxidation on the all-metal shell, the overall structure is stable and adaptable; | >To adopt SPON autonomous noise reduction algorithm to reduce effectively background and environmental noise, available for adjusting proper noise reduction mode according to different scenarios; |
| >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 and parameters configuration via external acoustic wave; |
| >With a built-in AGC circuit to suppress high-intensity sounds automatically and automatically and eliminate the sound differences near and far; | >Available for being powered via centralized power supply, camera, DC power supply(DC 8V-30V); |
| >With working temperature range of -30 ° C ~ 75 ° C and protection grade of IPX6 to meet a variety of harsh environments; | >With function of polarity reversal of power supply and lightning strike protection; |
| >Supportive of audio isolation output and adjusting its amplitude; | >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); | >Passed the inspection by the Testing Center for Quality of Public Security&Police Electronic Products under the Ministry of Public Security. |
| SOUND PICKUP RANGE | 5-200 m2（Adjustable） |
| MICROPHONE | Gold-plated condenser microphone |
| POLAR PATTERN | Omnidirectional |
| FREQUENCY RESPONSE | 20Hz ～ 20kHz |
| SENSITIVITY | -30dB |
| OUTPUT IMPEDANCE | 200～1000 Ω unbalanced（Other impedance can be customized） |
| PROTECTION CIRCUIT | Polarity misconnection Protection |
| POWER SUPPLY VOLTAGE | DC8-30V |
| DIMENSIONS & WEIGHT | Φ85x18mm，0.18kg |
