Boya BY-WM4 Professional Universal Wireless Lavalier Microphone System for DSLR

Availability: 1 In Stock
SKU: BYA0060

The BOYA BY-WM4 is a compact wireless microphone, designed for reliable and trouble-free performance. It can work with Smartphone, Tablet, DSLR camera, Camcorder, Audio recorder, PC and others audio/video devices.


  • Clear recording sound
  • Compatiable with smartphones, DSLR cameras,Consumer Camcorders, PCs etc.
  • Light and compact for easy carrying
  • Omnidirectional lavalier microphone
  • Easy to use
  • Hard case included standard camera shoe mount and clip included
  • Up to 25m (82ft) operation range
  • Power Supplied by two AA batteries


  • RF Modulation: GFSK (Gauss frequency Shift Keying)
  • Frequency band: 2.4GHz (2405-2478MHz)
  • Frequency response: 35Hz-14KHz±3dB
  • Signal/Noise: 76dB or more
  • Distortion: 0.1% or less (32Ω,1 KHz,65mW output)
  • RF output level:2 mW
  • Earphone output level: 32Ω,65mW
  • Reception sensitivity: -85dB +/- 3dB / 0dB=1V/Pa, 1kHz
  • Audio input connector: 3.5mm mini jack
  • Operation range: 25m (80ft.)
  • Power requirements: 1.5V DC (One AA size battery)

Consumption power: Transmitter: 1.5V/120 mA / Receiver: 1.5V/120 mA Battery life: Transmitter: Approx. 3.0 hours / Receiver: Approx. 3 hours

Dimensions:Transmitter: 60mm x 86mm x28mm (W/H/D) Receiver:60mm x 86mm x41mm (W/H/D)


  • Transmitter: 136g (4.37oz) (Without battery)
  • Receiver:152g (4.89oz) (Without battery

Package contents:

  • Transmitter
  • Receiver
  • Lavalier/lapel microphone
  • 3.5mm to TRS audio output cable
  • 3.5mm to TRRS audio output cable
  • Cold-shoe mount
  • Hard case
  • User Guide
  • Manufactory Original Package
We dispatch your order on the same day if payment received before order cut-off time, otherwise we will dispatch it the next working day. However for heavy and over-sized items, order cut-off time might be earlier as we may have to use a courier like UPS.

UK Domestic:

  • Standard UK Delivery - £2.5 per order
  • RoyalMail Tracked 48 - £3.99 per order
  • Next Day Delivery - £5.99 per order
  • Free Delivery - orders over £50


EU Countries:

Postage may vary depends on the destination country.

  • Austria, Belgium, Denmark, Finland, France, Germany, Ireland, Netherlands, Sweden, Italy, Spain
    • RoyalMail Airmail Priority - £2.95 per order
    • International Tracked - £10.95 per order
  • All other EU countries
    • International Tracked - £10.95 per order
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