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The BOYA BY-WM4 Pro-K2 is a Wireless Microphone System for video shooters. Capture clear wireless audio from two different sources, using two wireless transmitters and a lightweight dual channel wireless receiver. The system operates on the 2.4Ghz wireless band and offers an impressive line-of-sight range up to 60m and includes two omnidirectional lavalier microphones as well as a 3.5mm TRS and TRRS audio cable.

Dual Channel Wireless System

The BOYA WM4 Pro-K2 includes a RX4 Pro receiver unit with dual channel functionality that allows you to pickup the transmission from up to two separate wireless transmitters. Along with the receiver unit, the kit also includes two wireless bodypack transmitters that allow you to record dual subjects simultaneously.

2.4Ghz Wireless Band for 60m Transmission Range

Using a 2.4 Ghz wireless band, the compact BOYA system offers a 60m line-of-sight operational range that makes it a great option for video shooters who want to enjoy audio without the hassle of cables.

Compatible with DSLR Cameras & Smartphones

The included RX4 Pro Receiver has a built-in headphone port so you can monitor the audio being recorded, as well as a line-out port that can be used to send the audio with a DSLR camera or a mobile device.

Powered by AAA Batteries

Keeping the units powered and ready to go is easy because they are compatible with readily available AAA batteries. Each unit requires two batteries and features a LED that flashes blue when the unit is on and red when power is low.

Includes Hard Case, Shoe Mount & Dual Lav Mics

The BOYA BY WM4 Pro K2 Wireless kit also includes a range of extra bits and pieces to help you get the most out of your audio gear. It has a hard case to store and transport the equipment as well as two clip-on omnidirectional lavalier microphones that can be discreetly attached to your talent.
  • Dual Channel Wireless Microphone System
  • Dual Wireless Transmitters
  • 2.4Ghz Digital Frequency Band
  • Up to 60m Line-of-sight Transmission Range
  • Built-in Headphone Monitor
  • Compatible with Cameras & Smartphones
  • Powered by AAA Batteries
  • Includes Hard Case, Shoe Mount Adapter, & Dual Lav Mics

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 (32O,1 KHz,65mW output)

RF output level:

3mW

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:

3V DC (Two AAA size batteries)

Consumption power:

Transmitter: 3V/70mA

 

Receiver:3V/70mA

Dimensions:

Receiver: 45x70x35mm

 

Transmitter: 45x70x35mm

Weight:

Receiver: 47g

 

Transmitter: 47g


* Specifications subject to change by the manufacturer without notice
  • 2 x TX4 Pro Transmitter
  • RX4 Pro Receiver
  • 2 x Lavalier/lapel Microphone
  • 3.5mm to TRS Audio Cable
  • 3.5mm to TRRS Audio Cable
  • Shoe Mount Adapter
  • 2 x Wind Screen
  • 2 x Microphone Holder Clip

Reviews

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