BOYA BY-WM4 PRO-K2 Dual-Channel Digital Wireless Microphone


Designed for videographers on a limited budget and 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 etc.

It’s a compact and extraordinarily easy-to-use wireless microphone system for recording crisp and clear speech, and interviews. Omnidirectional lavalier mic included is suitable for performers who which to exhibit freedom of movement in their visual recordings. Additionally, the system offers a up to 60m (197ft) line-of-sight operation range.
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1 in stock

These are the locations you can ship from:
  • KWAZULU NATAL, Durban store: 1 in stock


    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 omnidirectional lavalier microphones, a 3.5mm TRRS audio cable and a 3.5mm TRS audio cable,
    which provides immediate out-of-the-box operability 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, Padcasters 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.


    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
    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)