Cascaded Omnidirectional Microphone with Wireless Expansion Mics | OEM/ODM

Wireless expansion microphone parameters:

1. Frequency range: 640MHz ~ 690MHz

2. Sensitivity: Microphone -45dB ±3dB (0dB=1V/Pa at 1KHz)

3. Capsule type: Dynamic microphone pickup, cardioid pattern

4. Signal-to-noise ratio: ≥ 80dB

5. Frequency response: 50Hz - 16kHz

6. Transmit power: > 12dBm

7. Distortion THD+N: < 0.5%

8. Output impedance: 600 ohms ±30%

9. Effective distance: > 40m

10. Latency: < 3ms

11. Operating temperature: -25°C to 60°C

12. Power: 2 AA batteries

13. Operating current: 110mA @ 3V

14. Operating time: 12 hours

Array omnidirectional microphone parameters:

15. Number of microphones: 4 digital silicon mics

16. Microphone sensitivity: -26dBFS

17. Microphone signal-to-noise ratio: 64 dB

18. Microphone processing technology: Built-in high-performance 3A algorithm.

19. Microphone sampling rate: 16~48K.

20. Transmission: 5.8G wireless, 3.5mm.

21. Pickup distance: 6m pickup radius, optimal use radius 4m.

22. 8 adjustable microphone modes to suit different conference room scenarios, including glass rooms.

23. Features intelligent mixing, full-duplex echo cancellation, beamforming, noise suppression, automatic gain control and other voice processing algorithms.

24. Supports connection of 2 external wireless expansion microphones.

25. Supports USB function, connect to PC and video conferencing system for full-duplex hands-free calling.

26. Supports 3.5mm analog function, connect to PC and video conferencing system for full-duplex hands-free calling.

27. Supports local sound reinforcement via wireless microphone.

28. Supports headphone function for private calls.

29. Supports external speaker for larger conference room scenarios.

30. Compatible with various software video conferencing platforms such as Tencent Meeting, ZOOM, DingTalk, Haoshitong, Vidyo, Webex, Skype for Business, Google Hangout, etc.