USB Wireless Handheld Microphone System 640-690MHz with LCD Display

1. Product Features

2. Driver-free, plug and play.

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

4. The microphone requires only 2 AA batteries, and the receiver can be directly plugged into the 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 also 3.5mm analog signal output. 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, frequency range 640MHz to 690MHz.

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

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

12. Compact design, eye-catching.

13. Simple yet sophisticated, stylish and elegant appearance, with exquisite details.

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: dynamic microphone pickup, cardioid pattern

31. Signal-to-noise ratio: >= 75dB

32. Frequency response: 50Hz - 16kHz

33. Transmitting power: > 20dBm

34. Distortion THD+N: <0.5%

35. Output impedance: 600 ohms ±30%

36. Effective distance: > 40m

37. Delay time: <5ms

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

39. Power: 2 AA batteries

40. Operating current: 100mA @ 3V

41. Operating time: 12 hours

42. Packaging dimensions: 33cm x 22.5cm x 7.5cm

Instructions:

I. Connect to PC:

43. Plug the USB end of the USB receiver into the PC USB port. The LED on the USB receiver will flash for 1 second and then go off.

44. Turn on the power switch of the main unit. The main unit and USB receiver will connect automatically, and the adapter LED will stay on.

II. Connect to mixer/analog input:

45. Plug the USB receiver into a USB power supply. The LED on the USB receiver will flash for 1 second and then go off.

46. Use a 3.5mm audio cable: plug one end into the 3.5mm jack at the end of the USB receiver, and the other end into the 3.5mm analog signal input of the mixer.

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

48. Turn on the power switch of the main unit. The main unit and USB receiver will connect automatically, and the adapter LED will stay on.