Orders placed during Passover Holiday (Wed 4/1 after 4PM ET – Thurs 4/9) will ship Fri 4/10. View our holiday shipping schedule.

BOYA BY-WM4 PRO K2 Dual-Channel Digital Wireless Lavalier Microphone System for DSLRs and Smartphones

SKU: BOYBWM4PROK2

This item is no longer available.

Recommended Alternatives

Overview
Compare
Specs
Protection

Reviews about this item

Review Summary

2020-06-24T09:55:37

Rated 5 out of 5

Good low cost system

I have only had these for a short time but they work really well. These are a good low cost wireless system.

James M.

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

BOYA BY-WM4 PRO K2 Specifications

  • Compatibility

    Smartphones, DSLR cameras, consumer camcorders, PCs etc

  • RF Modulation

    GFSK (Gauss 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,1 KHz,65mW output)

  • RF output level

    3mW

  • Earphone output level

    32 Ohms,65mW

  • Reception sensitivity

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

  • Audio input connector

    3.5mm mini jack

  • Operation range

    60m (196.85') (without obstacle)

  • Power requirements

    3V DC (Two AAA size batteries)

  • Battery Info

    Required, not included

  • Battery Material

    alkaline

  • Battery Type

    AAA

  • Battery Quantity

    6

  • Consumption power

    Transmitter: 3V/70mA
    Receiver: 3V/70mA

  • Dimensions

    Receiver: 45 x 70 x 35mm (1.77 x 2.76 x 1.38")
    Transmitter: 45 x 70 x 35mm (1.77 x 2.76 x 1.38")

  • Weight

    Receiver: 47g (1.66 oz)
    Transmitter: 47g (1.66 oz)

  • UPC Code

    6971008024708

About BOYA BY-WM4 PRO K2

FEATURED REVIEWS

Good low cost system

By James M.

I have only had these for a short time but they work really well. These are a good low cost wireless system.

Designed for videographers on a limited budget and video hobbyists, BY-WM4 PRO is a new generation 2.4 GHz wireless microphone, with dual-Channel for receiver, easy-to-use and compact design, it's ideal for interviews, run-and-gun video shoots, vlog production and more.

Wide Compatibility
With both TRS cable and TRRS output cable included, it can be used for Smartphones, Tablets, DSLR camera, camcorder, audio recorder computer and more.

Excellent for performance
With the transmitter and receiver each weighing only 47g (1.7 oz) and measuring 45 x 70 x 35mm (1.8 x 2.8 x 1.4"), the system still maintains the high signal-to-noise ratio above 84dB and low distortion rate below 0.05%.

High-quality transmission
The system works at distances of Up to 60m (197') operation range (line of sight), operating on the 2.4 GHz frequency band, offering flexibility and giving you a low-latency audio transmission with no video sync issues.

BOYA BY-WM4 PRO K2 Features

  • Digital 2.4 GHz Frequency Band
  • Super-clear recording sound
  • Compatible with smartphones, DSLR cameras, consumer camcorders, PCs etc
  • Headphone connector for real-time monitor
  • Lightweight and compact for easy carrying
  • Easy to use
  • Omnidirectional lavalier microphone
  • Hard case included
  • Standard camera shoe mount and clip included
  • Up to 60m (197') operation range (without obstacle)
  • Power supplied by two AAA batteries for transmitter and receiver

Key Features

  • Digital 2.4 GHz Frequency Band
  • Super-clear recording sound
  • Compatible with smartphones, DSLR cameras, consumer camcorders, PCs etc
  • Headphone connector for real-time monitor
  • Lightweight and compact for easy carrying
  • Easy to use

What's in the box:

  • 2x TX4 Pro Body Pack Transmitter
  • RX4 Pro Receiver
  • 2x Lavalier/Lapel Microphone
  • 3.5mm to TRS Audio Output Cable
  • 3.5mm to TRRS Audio Output Cable
  • Shoe Mount Adapter
  • 2x Windscreen
  • 2x Microphone Holder Clip
  • Hard Case
  • BOYA 1 Year Limited Warranty