MX-K70 high-definition digital noise cancelling microphone

1. Adopting a sturdy, aesthetically pleasing, and durable metal shell with surface oxidation treatment, it is exquisite, beautiful, and easy to install;
2. Using KaBoni advanced complementary enhanced digital condenser microphone, high fidelity, high sensitivity, and low noise within 10-150 square meters;
3. AEC tail sound cancellation technology combined with multi-level adaptive noise reduction capability effectively reduces background and environmental noise, resulting in high clarity and restoration of speech;
4. Equipped with a unique shielding layer and digital wide dynamic microprocessing, it can effectively prevent external interference and achieve smoother output;
5. Adopting the "Triangulation" array technology for multi-level dynamic noise reduction processing, comprehensively capturing complete and clear speech sound
6. Integrate professional automatic noise recognition processing technology and AGC and DTS noise reduction signal microprocessing circuits;
7. Automatically adjust high-intensity sound and instantaneous impact sound, reliably protecting the safety of backend audio monitoring equipment;
8. Hidden anti detachment installation structure, suitable for installation in various on-site environments, not only easy to install and maintain, but also stable to prevent vibration and falling;
Operating temperature range of 9-25 ℃ to 75 ℃, suitable for working in various harsh environments;
10. The microphone is equipped with lightning protection, power polarity reverse protection, ESD protection, and power protection modules;
11. Supports both three wire and four wire wiring methods, and does not generate line noise when powered together with the camera;
12. Integrated professional voice processing chip, capable of connecting to active speakers, computers, hard disk recorders, network cameras, etc;
13. Super strong line audio transmission technology, with a signal transmission distance of up to 3000 meters (please use shielded cables for electromagnetic complex environments);
14. Passed the inspection of the Security and Police Electronic Product Quality Testing Center of the Ministry of Public Security;
15. Sound pickup range: 5-150 square meters (adjustable);
16. Mic head: KaBoni Advanced Complementary Enhanced Digital Capacitive Microphone;
17. Directional characteristics: fully directional;
18. Sensitivity:- 28dB；
19. Signal to noise ratio: 90dB (@ 1 kHz);
20. Total harmonic distortion plus noise: 0.10%;
21. Maximum tolerable sound pressure: 120dB (@ 1 kHz);
22. Frequency response (3DB bandwidth): 20Hz to 20kHz;
23. Dynamic range: 110DB(@1KHz THD=1%)；
24. Maximum output amplitude: 1.5Vrms (@ 1KHz)/4.2Vpp (@ 1KHz);
25. Connection output method: four wire system/audio isolated output;
26. ESD immunity: Contact discharge ± 4KV;
27. Voltage adaptation range: DC 8V-30V；
28. Rated voltage/current: DC12V /30MA ；
29. Rated power: 0.36W;
30. Signal transmission distance: 3000 meters (please use shielded cables in complex electromagnetic environments);
31. Working environment temperature:- 25℃～75℃；
32. Size and weight: ≤ Φ82mm×20mm， ≤ 180g