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boya BY-WM4-PRO-K2


Dual-Channel Digital Wireless Microphone

  • Compatible with smartphone, DSLR, consumer camcorders, PC
  • Ideal for video, podcast, mobile journalism, applications
  • 2.4GHz digital transmission technology
  • 2 Transmitter
  • 1 dual-channel Receiver
  • Line input jack on transmitter
  • Digital audio input
  • Headphone jack on receiver
  • Real-time monitoring
  • Up to 60m (197ft) operation range
  • Powered by two AAA batteries

  • Package Includes:
  • Omnidirectional lavalier microphones
  • Zipper bag
  • Standard camera shoe mount
  • Output cables
  • Foam windscreens
  • Clips


  • RF Modulation - GFSK (Gauss frequency Shift Keying)
  • Frequency band - 2.4GHz (2405-2478MHz)
  • Frequency response - 35Hz-14KHz±3dB
  • Signal/Noise - 84dB or more
  • Distortion - 0.05% or less (32Ω,1 KHz,65mW output)
  • RF output level - 3mW
  • Earphone output level - 32Ω,65mW
  • Reception sensitivity - -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
  • Audio input connector - 3.5mm mini jack
  • Operation range - 60m (197ft) (without obstacle)
  • Power requirements - 3V DC (Two AAA size batteries)
  • Consumption power - Transmitter: 3V/70mA, Receiver:3V/70mA
  • Dimensions - Receiver: 45x70x35mm (1.8*2.8*1.4 inches), Transmitter: 45x70x35mm (1.8*2.8*1.4 inches)
  • Weight - Receiver: 47g (1.7 oz), Transmitter: 47g (1.7 oz)


* DISCLAIMER: Design, features and specifications subject to change without notice. Some features in videos on the Internet may not be available on all models, please contact us for the TECHNICAL SPECIFICATIONS for a complete list of features by model. This feature list is for reference only, please contact us to verify features and functionality.
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Note: This video is strictly for reference and illustration purposes only. Actual product design and/or inclusions may vary. Please refer to product description for full details, or contact us if you have any questions or specific requirements.
Full Australian Manufacturer Warranty







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