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f Boya 2.4 GHz Dual Lavalier Microphone Wireless BY-WM4 Pro-K1
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Boya 2.4 GHz Dual Lavalier Microphone Wireless BY-WM4 Pro-K1

Boya's WM4 Pro is a low-cost transmitter set for recording sound during presentations, interviews and conversations. There are two versions of the WM4 Pro: K1 and K2. Currently you are watching the K1, which comes with one transmitter + lavalier microphone. With the K2 you will receive two transmitters and lavalier microphones. The transmitter and receiver of the WM4 Pro are very compact and connect to each other on the 2.4 GHz frequency. You can easily connect the receiver to your smartphone, (DSLR) camera, PC, laptop or MacBook. Both a 3.5 mm TRS and TRRS cable are included. For devices without a 3.5 mm input, a Lightning adapter and a USB adapter are available. These are included with the optional accessories.

Differences with the WM4

The WM4 Pro is the successor to the WM4 and features a higher signal-to-noise ratio, which means you hear less background noise. In addition, the WM4 Pro is more compact than the WM4.

Usage WM4 Pro

If you are looking for a basic station set for recording one or two voices, the WM4 Pro K1 and K2 are a good choice. Optionally, you can adjust the volume using the + and - buttons. You don't have to set anything else and you can get started right away. The included windbreak reduces wind noise. The clip attaches the microphone capsule to clothing. The range between the transmitter(s) and receiver is up to 60 meters.


  • 1x WM4 Pro transmitter
  • 1x WM4 Pro receiver
  • 1x Microphone with cable
  • 1x Windscreen
  • 1x Tie-pin clip
  • 1x Cable for camera and computer
  • 1x Cable for smartphone
  • 1x Coldshoe holder with 1/4" female thread
  • 1x Hardcase
  • 1x User Manual
  • 1x Warranty certificate

In stock

Price incl. VAT: € 129,00

Suitable for:HelpSingle-lens reflex camera, Camcorder, Smartphone, Laptop
Dimensions (mm):Help45 x 70 x 35 (transmitter and receiver)
Gewicht:Help47 grams (transmitter and receiver)
Sensitivity:Help-90dB +/- 3dB / 0dB=1V/Pa, 1kHz
Signal to Noise Ratio:Help84dB
Microphone connector:Help3.5 mm mini jack plug
Power supply:HelpAAA battery (not included in delivery)
Verbindung (kabellos):HelpDraadloos
Attachment:PDF bestandDownload wm4 pro gebruiksaanwijzing

For many years, the Boya brand is specialized in making high-quality microphones. Because the brand has its own development laboratory, they can continue to provide high quality products, at a competitive price!

The company is specialized in making microphones for photography and other digital audio devices. The microphones of Boya are suitable for renowned brands including: Nikon, Canon, Sony, Olympus, Pentax, Panasonic, Samsung, Lycra, Apple (iPhone, iPad, and iPod touch). Each Boya product shows the passion to achieve an excellent sound quality!

When you buy Boya products through us, we have an exclusive offer: only with Benel will you receive a three-year warranty, after registration via the warranty card in the packaging.

Go to all Boya products