Boya 2.4GHz Wireless Mic BY-WM4 Pro-K4

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Boya BY-WM4 Pro-K4 2.4GHz Wireless Mic System for iOS Devices

Boya's WM4 Pro system is an expandable evolution system, allowing users to mix and match different kinds of receivers while using the same TX4 Pro transmitter. It is designed for videographers on a limited budget and video hobbyists, and is suitable for a wide range of wireless applications.

The BY-WM4 Pro-K4 is 2.4GHz wireless microphone system, specially designed for Lightning iOS devices. It comes with two body-pack transmitters (TX4 Pro) and a miniature receiver with a Lightning connector (BY-WM4 Pro RXD), plus two omnidirectional lavalier microphones. This professional audio solution picks up intelligible and clear audio for users. And it's ultra-compact and portable for both receiver and transmitter, with plug-and-play operation allows easy operation for mobile journalists, videographers and vloggers of any experience level.


Ideal for Tiktok, Youtube, vlogging, Facebook, podcast, mobile journalism

Digital 2.4GHz wireless system

Dual channel wireless receiver, ultra-compact and miniature-size

Apple MFI certified Lightning connector

Compatible with iOS devices: iPad, iPhone, iPod touch

Delivers high quality and clear sound

Omnidirectional lavalier microphones included

Selectable stereo and mono mode

Monitoring sound by 3.5mm headphone output

Master volume control

Up to 60m operation range (without obstacles)

 RF Modulation:                GFSK (Gauss frequency Shift Keying)

 Frequency band:             2.4GHz (2405-2478MHz)

 Frequency response:    35Hz-14KHz±3dB

 Signal/Noise:    84dB or more

 Earphone output level:                32Ω,65mW

 Reception sensitivity:    -90dB +/- 3dB / 0dB=1V/Pa, 1kHz

 Connector            Receiver:

  Apple MFi Certified Lightning Connector

 Operating Range               Up to 60m (197ft) without obstacle

 Power Requirements: 

 Transmitter: Two AAA batteries

 Receiver: Supplied by iOS device


 Transmitter: 45x70x35mm (1.8x2.8x1.4”)

 Receiver: 82×30.7×12mm (3.2x1.2x0.5”)


 Transmitter: 47g (1.7oz)

 Receiver:12g (0.4oz)

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