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The Essentials:

Tripods & Monopods:

Cleaning & Maintenance:

Studio Lighting:



The BOYA BY-WM5 Pro K3 is a wireless microphone system for use on iOS devices with a lightning port. The kit includes all that you need to for professional audio on your iOS Smartphone or Tablet.

Transmitter + Receiver + Lavelier Mic

The kit includes a Boya TX4 Pro Body Pack Transmitter and a Boya BY-WM4 Pro RXD Miniature Receiver with a Lightning Connection, as well as an omnidirectional lavalier microphone.

Professional Wireless Audio System

The BY-WM4 PRO-K3 Gives you professional grade audio, that will pick up clear audio from your subject.

The ultra-compact size of the transmitter as well as the receiver and plug and play functionality make this a simple and effective option for mobile creators such as vloggers, journalists and videographers. The kit can be used as a standalone system or to complement a larger camera set-up.

Simple Operation

The dual channel receiver inside the Boya BYWM4 PRO K3 Kit gives you the option of adding an extra transmitter later on so that you can record a second audio source - great for interviews with more than one subject.

The signal between the transmitter and receiver uses a Digital 2.4GHz Wireless System for operation up to 60m distance, line of sight without obstacles. The clear and intelligible audio recordings can be enhanced with gain on the receiver and master volume control. Both stereo and mono modes are supported with sound monitoring via the 3.5mm headphone output.

The receiver is powered by the iOS Device through the Apple MFI Certified Lightning Connector.

Made for Mobile Creatives

With broad compatibility across Lightning iOS devices this unit will work natively with many iPad, iPhone, and iPod Touch devices in the Apple Lineup.

This is a simple to use wireless audio system for Youtube, Tiktok, vlogging, podcasting, facebook videos, mobile journalism and much more.

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 (32O,1KHz, 65mW output)

RF output level:


Earphone output level:

32O, 65mW

Reception sensitivity:

-90dB+/-3dB / 0dB=1V/Pa,1KHz

Audio input connector:

3.5mm Mini Jack

Operation range:

60m (197ft) (without obstacle)

Power requirements:



Supplied by iOS device


BY-WM4 PRO RXD: Apple MFi Certified Lightning Connector

Consumption power:

Transmitter: 3V/70mA

Receiver: 3V/70mA


Receiver: BY-WM4 PRO RXD:

82 × 30.7 × 12mm(3.2 × 1.2 × 0.5")


45x70x35mm (1.8x2.8x1.4")


Receiver: BY-WM4 PRO RXD: 12g (0.4oz)

Transmitter: 47g (1.7 oz)

* Specifications subject to change by the manufacturer without notice

  • 1 x BY-WM4 Pro Transmitter
  • 1 x BY-WM4 RXD 2.4GHz Wireless Receiver for iOS Devices
  • 1 x Wind Shield
  • 1 x Lavalier/Lapel Microphone
  • 1 x Carry Pouch
  • 1 x Microphone Holder Clip


* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.