BOYA BY-WM4 Pro-K2 Wireless Microphone System, 1 Receiver, 2 Transmitters

Designed for videographers on a limited budget & video hobbyists, BY-WM4 PRO system is a new generation 2.4 GHz wireless microphone, dual-Channel for capturing audio with dual subjects to your smartphones, tablets, DSLR cameras, consumer camcorders, PCs
$ 290.00
plus delivery
Price / kg:

The BOYA BY-WM4 Pro-K2 Wireless Microphone System is a compact and extraordinarily easy-to-use wireless microphone system for recording crisp and clear speech, and interviews. The omni-directional lavalier mic included is suitable for performers who which to exhibit freedom of movement in their visual recordings. Additionally, the system offers up to 60m (197ft) line-of-sight operation range. BY-WM4 Pro-K2 consists of two compact body-pack transmitters (TX4 Pro), a portable receiver (RX4 Pro), a lavalier/lapel microphone, two pieces of omni-directional lavalier microphones, a 3.5mm TRRS audio cable and a 3.5mm TRS audio cable, which provides immediate out-of-the-box operation for anyone, making it ideal for video, podcast, and mobile journalism applications. The receiver is built with 3.5mm mic and 3.5mm headphone output jacks. The bodypack transmitter includes a MIC jack and LINE IN jack.

  • For mobile Journalists, Vloggers, YouTubers, Podcasters and more
  • Compatible with most of Audio/Video equipments, such as Smartphone, tablet, DSLR, small recorder, Audio Recorder, PC, etc
  • Two transmitters can capture dual subjects
  • Compact and lightweight bodypack transmitter and receiver
  • Electret condenser, omnidirectional lavalier microphone
  • With simple gain buttons and a power/pair button, the system is comfortably easy to use


  • Dual-Channel Wireless Receiver
  • Digital 2.4 GHz Frequency Band
  • Super-clear recording sound
  • Compatible with smartphones, DSLR cameras, consumer camcorders, PCs etc.
  • headphone connector for real-time monitor
  • Lightweight and compact for easy carrying
  • Easy to use Omnidirectional lavalier microphone
  • Hard case included
  • Standard camera shoe mount and clip included
  • Up to 60m (197ft) operation range (without obstacle)
  • Power supplied by two AAA batteries for transmitter and receiver


RF Modulation:
 GFSK (Gauss Frequency Shift Keying)
 Frequency band:
 2.4GHz (2405 - 2478MHz)
 Frequency response:
 35Hz - 14KHz ±3dB
 84dB or more
 0.05% or less (32Ω,1 KHz, 65mW output)
 RF output level: 
 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
 Receiver: 45 x 70 x 35mm (1.8 x 2.8 x 1.4")
 Transmitter: 45 x 70 x 35mm (1.8 x 2.8 x 1.4")     
 Receiver: 47g (1.7 oz)
 Transmitter: 47g (1.7 oz)


Units in box: 1


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