Xungu 4-Channel Wireless Lavalier Microphone System | USB Plug-and-Play, 640-690MHz

1. Product Features

2. Driver-free, plug and play.

3. Supports condenser microphone pickup, wireless audio dynamic range greater than 98dB.

4. Microphone requires only 2 AA batteries; receiver plugs directly into PC USB port (5V 500mA).

5. Strong compatibility: supports standard USB connection to PC, compatible with Android, Windows-ALL, Linux, and Apple systems.

6. Multi-channel output: supports USB driver-free output and 3.5mm analog signal output simultaneously. Can connect to mixers, amplifiers, etc.

7. Supports LCD display showing signal strength, battery level, connected frequency, etc.

8. Supports up to 100 test microphones working simultaneously without interference.

9. Supports manual frequency adjustment between 640MHz and 690MHz.

10. Supports 10 groups of frequency polling, 10 frequencies per group, 100 frequencies in total.

11. Supports simultaneous wireless connection of handheld microphones, gooseneck microphones, and lavalier microphones.

12. Compact design, eye-catching.

13. Simple yet sophisticated, stylish and elegant appearance, with fine details reflecting true quality.

14. Product Parameters

15. Receiver: (connects to mobile editing host)

16. Frequency range: 640MHz ~ 690MHz

17. Bandwidth: 50MHz

18. Maximum number of channels: 200

19. Receiving sensitivity: <= -105dBm

20. Signal-to-noise ratio: >= 80dB

21. Frequency response: 30Hz ~ 15kHz

22. Audio output level: 350 mV

23. Distortion THD+N: <0.5%

24. Delay time: <3ms

25. Power: USB 5V/150mA

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

27. Transmitter: (portable mobile)

28. Frequency range: 640MHz ~ 690MHz

29. Sensitivity: microphone -30dB ±3dB (0dB=1V/Pa at 1kHz)

30. Microphone capsule type: condenser capsule pickup

31. Signal-to-noise ratio: >= 74dB

32. Frequency response: 65Hz ~ 18kHz

33. Transmitting power: 16~25dBm

34. Distortion THD+N: <0.5%

35. Effective distance: > 40m

36. Delay time: <5ms

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

38. Power: 2 AA batteries

39. Operating current: 200mA @ 3V

40. Operating time: 12 hours

41. Package dimensions: 23*17*4.5 cm

User Instructions:

I. Connect to PC:

42. Insert the USB end of the USB receiver into the PC's USB port. The receiver's LED will flash for 1 second, then turn off.

43. Turn on the main unit power switch. The main unit and USB receiver will connect automatically. The adapter's LED will stay on.

II. Connect to mixer/analog input:

44. Insert the USB receiver into a USB power supply port. The receiver's LED will flash for 1 second, then turn off.

45. Use a 3.5mm audio cable: plug one end into the 3.5mm jack on the rear of the USB receiver, and the other end into the mixer's 3.5mm analog signal input.

46. (If the target device has XLR, Phoenix, RCA, or other connectors, use the appropriate adapter cable.)

47. Turn on the main unit power switch. The main unit and USB receiver will connect automatically. The adapter's LED will stay on.