Boya BY-WM4 Pro-K3 Wireless Microphone System For iOS devices


• Digital 2.4GHz wireless system
• Ultracompact and miniature-size for receiver
• Apple MFI certified Lightning connector
• Super-clear recording sound
• Omnidirectional lavalier microphone included
• Body-pack transmitter powered by two AAA batteries
• Monitoring sound by 3.5mm headphone output
  Master volume control
• Up to 60m (197ft) operation range (without obstacles)
Categories: ,


BOYA BY-WM4 PRO-K3 is 2.4GHz wireless microphone system, specially designed for Lightning iOS devices. It comes with a body-pack transmitter (TX4 Pro)
and a miniature receiver with a Lightning connector (BY-WM4 PRO RXD), one omnidirectional lavalier microphone.

BY-WM4 PRO-K3 is a professional audio solution that assures to pick up intelligible and clear audio for users. And its ultra-compact and
portable for both receiver and transmitter, and plug-and-play operation allows to easily operate for mobile journalists, videographers, and vloggers of any experience level.

The dual-channel receiver can allow users to add extra one transmitter, and work two transmitters at the same time.

– Apple MFI certified Lightning connector
– Sound gain for the receiver allows simple and effective optimization of signal levels.
– Receiver battery powered by iOS device.



       RF Modulation:  GFSK (Gauss frequency Shift Keying)
       Frequency band:  2.4GHz (2405-2478MHz)
       Frequency response:  35Hz-14KHz±3dB
       Signal/Noise:  84dB or more
       Earphone output level:  32Ω,65mW
       Reception sensitivity:  -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
       Connector   Receiver:
      Apple MFi Certified Lightning Connector
       Operating Range   Up to 60m (197ft) without obstacle
       Power Requirements:   Transmitter: Two AAA batteries

      Receiver: Supplied by iOS device

       Dimensions:   Transmitter: 45x70x35mm (1.8×2.8×1.4”)

      Receiver: 82×30.7×12mm (3.2×1.2×0.5”)

       Weight:   Transmitter: 47g (1.7oz)
      Receiver:12g (0.4oz)