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BOYA BY-WM4 PRO-K2

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Key Features
  • For 2-Person Videos, Interviews, YouTube
  • 2 x Omni Lavalier Mic
  • 2 x Bodypack Transmitter
  • Compact Dual-Channel Receiver
  • Easy to Use, Plug-and-Play Operation
  • Adjustable Gain, Headphone Monitoring
  • 3.5mm Cables for Camera & Mobile Device
  • Runs up to 11.5 Hours on AAA Batteries
  • 8 Systems at Once Max, Up to 200′ Range
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SKU: 704 Categories: ,
Description

The Boya BY-WM4 PRO-K2 is a compact entry-level wireless system with two lavalier microphones that offers an easy-to-use, cost-effective, and all-inclusive solution for recording two subjects to your camera, camcorder, or mobile device. The system delivers improved sound quality over the built-in mics on cameras and mobile devices, to supply clear, intelligible speech for interviewers, journalists, YouTube/Instagram creators, TikTok personalities, vloggers, and more.

The package includes two omnidirectional lavalier mics and two bodypack transmitters with belt clips that allow your subjects to move around hands-free in front of the camera for interviews, demonstrations, presentations, and performances. The compact, dual-channel receiver offers a 200′ line-of-sight maximum operating range and includes an attachment clip and a camera shoe mount for flexible mounting options.

Connecting cables for both your camera and smartphone are included, while the 3.5mm jack on the receiver lets you plug in headphones for monitoring while you’re working on set. The transmitters and receiver are both powered by two AAA batteries for up to 11.5 hours and arrive prepaired at the factory—just power up, plug the receiver into your camera or phone, and you’re ready to go.

Easy-to-Use System with Two Lavalier Mics and Two Bodypack Transmitters

  • The clip-on lavalier microphones feature omnidirectional pickup patterns that help to deliver consistent audio levels even when the subject turns away form the mic.
  • The mics plug into the lightweight bodypack transmitters, which run on two AAA batteries.
  • An LED indicator on the unit shows power and low-battery level.
  • Simply power On the receiver and transmitter to access reliable, two channel wireless audio functionality in an instant.

Compact, Dual-Channel Receiver

  • The compact receiver features a removable attachment clip that comes off to accommodate the included shoe mount for placement on your camera.
  • The receiver’s input level can be adjusted to accommodate speakers at different volume levels.
  • A 3.5mm TRS cable for connection to a camera or camcorder is included. A 3.5mm TRRS cable for connection to a smartphone or tablet is also included.
  • The receiver features a 3.5mm headphone jack for monitoring.
  • The RX4 Pro is a dual-channel receiver, so it can simultaneously handle both TX4 Pro wireless transmitters and output them to your camera or mobile device for recording.
  • Up to 8 systems can operate simultaneously in the same location, but each system should be separated by at least 16.5′ to avoid interference.
  • Additional receiver options that mount and plug in directly to your smartphone’s digital input are also available including the BY-WM4 PRO RXD for Lightning and BY-WM4 PRO RXU for USB Type-C models.
Additional information
Light
Eye Point
Adjustable Length
Self-Timer
Recording Limit
Resolution
Rotation Range
SNR
Sampling Frequency
Recording Format
Number of Pixels (total)
Recharge Time
Sensor Crop Modes
Sensor Resolution
Sensor type
Shooting Modes
Shutter Speed
Shutter Type
Advertised Dynamic Range
Sensor
Sensitivity
Product Dimensions
Mobile App Compatible
Model
Model Name
Monitor size
Mounting Options
Size
Number of Axes
Power I/O
Number of Pixels (Effective)
Optical Design
Other I/O
Outputs
Package Dimensions
Package Weight
Polar Pattern
Network I/O
Screen Size
Slow Motion Mode
time Video
wight tripod
max load
maximum working height:
minimum working height
Video Output
Sound Field
degree
tripod self-envy:
Tripod Collar
material
extended height
Wireless Technology
Still Image Capture Aspect Ratio
Minimum Aperture
load
remote battrey
weight
video quality
USB/Lightning Connectivity
Wireless
Wireless Frequency
Viewfinder Type
Wireless Protocol
Waterproof
Still Image Support
White Balance
Volume Weight
White Balance Modes
Video Format
Video I/O
Minimum Focus Distance
Microphone Type
Tripod Mounting Thread
Type
Receiver Type
Creative Effects
Autofocus Sensitivity
main material
Clamping
Lens Communication
color
Compatible devices
Continuous Shooting
Crop Factor
Bulb/Time Mode
Capture Type
Designed for
Dimensions
Approx. Battery Life
Bit Rate
Dynamic Range
Exposure Compensation
Capacity
Built-In ND Filter
External Recording Modes
Channels
Angle of View
Display Type
Aspect Ratio
Diversity
Brand
Audio Recording
Autofocus Points
Metering Range
Built-In Microphone Type
Battery
Battery Type
Bit Depth
Colour Map
Audio I/O
Brand Name
Built-In Flash/Light
Exposure Modes
Ball head
Dedicated Flash System
Material of Construction
Internal Recording Modes
Interval Recording
Audio Format
Item Weight
Inputs/Outputs
Included Transmitters
Lens Mount
Inputs
Max Operating Range
Maximum Aperture
Maximum Weight Recommendation
Media/Memory Card Slot
Focus Type
Lens Format Coverage
Internal Battery Capacity
Internal Filter Holder
Load Capacity
Gamma Curve
Frequency Response
Focal Length
Focus Mode
Metering Method
Follow Speed
Image Sizes
Filter Size
Fast-/Slow-Motion Support
Gross Weight
Gain Range
IP Streaming
ISO Sensitivity
Image File Format
Image Sensor
Frequency Range
Image Stabilization
Fixed Focus
wirless
.Guide number
S1/S2 transmission:
.Operating temperature
Cover angle: cover light of 24mm lens Recycle time
Environmental Protection
LED light:
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