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f Boya Microphone Wireless BY-WM4 for DSLR and Smartphone
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Boya Microphone Wireless BY-WM4 for DSLR and Smartphone

Boya's BY-WM4 is a compact wireless microphone set, which allows you to send the sound of the lavalier microphone wirelessly to the camera or smartphone. The lavalier microphone is clamped to the cloths with the supplied clip, after which the 3.5mm cable is connected to the transmitter. For the receiver, a 3.5mm cable for cameras and a 3.5mm cable for smartphones are included. When using an iPhone 7 or later, use the Lightning to mini jack cable, which comes with your iPhone.

Technical specifications BY-WM4

The BY-WM4 operates at a stable 2.4GHz frequency. The transmitter and receiver are both powered by one AA battery. When using the BY-WM4, you only need to turn on the transmitter and receiver and set the volume level. Furthermore, there are no complicated settings or difficult options, which makes the BY-WM4 an ideal accessory for the starting video producer. On the receiver there is an additional 3.5mm output for your headphones. This allows you to listen live whether the sound quality meets your requirements.

Usage BY-WM4

When you want to shoot an interview, vlog or presentation, and want to record the sound well, the BY-WM4 is a great solution. It does not matter if you use a camera or smartphone for this, as long as it has a 3.5mm input, you can use the BY-WM4. The range of the transmitter and receiver can reach up to 25 meters, for maximum freedom of movement. On a full battery, the transmitter and receiver will spend approximately three hours.

Dimensions BY-WM4

Transmitter: 6 x 8.6 x 2.8 cm
Receiver: 6 x 8.6 x 4.1 cm
Length of microphone cable: 120 cm
Smartphone and camera cable: 35 cm


  • 1x Transmitter
  • 1x Receiver
  • 1x Windshield
  • 1x Lavalier clamp
  • 1x Storage case
  • 1x Hotshoe adapter
  • 1x Microphone
  • 1x Smartphone cable
  • 1x Camera cable

In stock

Price incl. VAT: € 109,00

Suitable for:HelpSingle-lens reflex camera, Smartphone
Dimensions (mm):HelpSee description
Gewicht:Help284 grams
Frequency:Help2.4GHz (2405-2478MHz)
Sensitivity:Help 0.1% or less (32Ω,1KHz output)
Signal to Noise Ratio:Help+76dB
Microphone connector:Help3.5 mm mini jack plug
Power supply:HelpAA battery (not included in delivery)

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!

Go to all Boya products