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Boya BY-WM4 Pro-K4 Dual Channel Wireless Microphone for iOS Devices

$399.99 AUD
In stock

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  • 12 Month Warranty*
  • Click & Collect (Sydney)
  • Same Day Dispatch*
  • Friendly & Expert Advice
  • 100% Australian Stock
  • 7 Day Exchanges*

The Boya BY-WM4 Pro-K4 is a 2.4GHz wireless microphone system specially designed for Lightning iOS devices, comes with two body-pack transmitters (TX4 Pro) and a miniature receiver with a Lightning connector (BY-WM4 Pro RXD) and two omnidirectional lavalier microphones. 

The BY0WM4 Pro-K4 system is ultracompact and portable. Thanks to the plug-and-play operation, it allows you to work right out of the box and get to work right away. 


  • Ideal for YouTube, Vlogging, Podcasts, mobile journalism and more
  • Digital 2.4HHz frequency band 
  • Dual-Channel wireless receiver 
  • Ultracompact and streamlined receiver 
  • Clear recording sound 
  • Up to 60m operation range (without obstacle) 
  • Monitoring sound by 3.5mm headphone output 
  • Master volume control 
  • Selectable stereo and mono mode 
  • Omnidirectional lavalier microphone 
  • Hard carry case included 


Compatibility  iOS Smartphones 
RF Modulation GFSK (Guass Frequency Shift Keying)
Frequency Band 2.4GHz (2405-2478MHz)
Frequency Response 35Hz-14KHz ± 3dB
Signal/Noise 84dB or more
Distortion  0.05% or less (32 Ohms, 1KHz, 65mW output
RF Output Level 3mW
Reception Sensitivity  -90dB ± 3dB/0dB + 1V/Pa, 1kHz
Audio Input Connector  3.5mm mini jack
Operation Range 60m (without obstacle)
Power Requirements

TX4 Pro: 3V DC (Two AAA size batteries) 

BY-M4 RXD: Supplied by iOS device

Plug  BY-WM4 RXD: Apple MFi Certified Lightning Connector
Consumption Power

Transmitter: 3V/70mA

Receiver: 3V/70mA


TX4 Transmitter: 45mm x 70mm x 35mm

BY-WM4 RXD: 82mm x 30.7mm x 12mm


TX4 Pro Transmitter: 47g

BY-WM4 RXD: 12g 

Model BY-WM4 Pro K4

What's Included

2 x TX4 Pro Body Pack Transmitter
1 x BY-WM4 RXD Wireless Receiver
2 x Lavalier/Lapel Microphone
2 x Wind screen
2 x Microphone Holder Clip
1 x Hard Case

All deliveries within Australia are facilitated by Australia Post, Startrack or other courier services depending on the method you select during checkout and the dimensions/weight of the package. Generally, we dispatch within 24 hours of receiving your order unless otherwise stated. We have a quick turnaround time on postage and handling. Tracking numbers are issued via our automated e-mail system, however, if you do not receive your tracking number, please message our helpful staff and we'll attempt to provide as much information regarding your order as possible.

Please allow between 2-7 business days for standard deliveries to metro* areas and capital cities. For suburbs outside metro areas please allow an additional 2-5 business days for delivery. *Metro capital cities include: Sydney, Canberra, Wollongong, Gold Coast, Brisbane, Melbourne, Adelaide, Perth, Hobart or Darwin.

All products are covered by an Australian 12 month warranty. This can be either a manufacturer's warranty or a Hypop warranty depending on the product's origin. The warranty covers manufacturers faults, defects, parts and labour. This means that any fault that is deemed to be due to manufacturing will be covered by the warranty for any parts and labour required to fix it. In some cases when the cost of repair outweighs that of a replacement, a suitable replacement product may be offered.
These products are not covered by our 12 month warranty as these products are susceptible to regular wear-and-tear and can get damaged for a variety of reasons not deemed as a manufacturer's fault. If these products are faulty or DOA please notify us within 7 days for a replacement. PLEASE NOTE: *This excludes Light Bulbs, Cotton Muslin Backdrops, Paper Backdrop Rolls, Batteries, Consumable Products and Travel Carry Bags included with our kits. DEMO STOCK: All demo stock items are sold 'as-is' and come with a standard 12 month warranty. Stock will either be repaired, substituted with a similar demo item (subject to availability), you may opt for an exchange or a store credit may be offered. Please contact us for further detail.

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