BOYA BY-WM8 PRO-K3 UHF Wireless Handheld Mic 1+1

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Key Features

  • For Mobile Journalism, Video, Vlog
  • RX8 Pro Dual-Channel Wireless Receiver
  • BY-WHM8 Pro Handheld Mic/Transmitter
  • Cardioid Pickup Pattern
  • 48 Selectable Frequencies
  • Headphone Monitor Output on Receiver
  • Easy-to-Read LCD Displays
  • Mono and Stereo Modes on Receiver
  • 6 Hours on AA Batteries
  • 2 Years Brand Warranty

BOYA BY-WM8 PRO-K3 Camera-Mount Wireless Handheld Microphone System provides vloggers, mobile journalists, presenters, and content creators with a cost-effective and quality-sounding wireless microphone system. Simple to operate with minimal setup, it lets you capture clear and natural speech for projects ranging from YouTube vlogs and streaming to presentations, lectures, wedding videos, and interviews.

The lightweight BY-WM8 PRO-K3 includes a handheld transmitter microphone along with a two-channel receiver that's ready to plug into your DSLR/mirrorless camera or audio recorder. The receiver's two-channel capability allows you to expand your system in the future with an additional transmitter and microphone (available separately) for 2-person interviews—with no additional receiver necessary.

The microphone's directional cardioid polar pattern helps to reject unwanted background sound, making it ideal in loud environments such as trade-show floors, busy public areas, or sporting events. A headphone output on the receiver enables real-time audio monitoring, especially useful if your camera lacks a headphone output.

The system operates at a range of 300' with 48 selectable frequencies that provide options for finding a clear channel in case of signal interference. The transmitter and receiver feature locking connections to eliminate unintended cable disconnects and they both run on two AA batteries for up to 6 hours of operation.

Flexible and Easy-to-Use Wireless System

  • Compatible with DSLR, mirrorless cameras, and audio recorders
  • Easy and flexible wireless synchronization between transmitter and receiver via infrared
  • Headphone output on the receiver 
  • Easy-to-Read LCD Display with automatic LCD-locked function
  • The user-friendly menu screen is quick and easy to navigate
  • Muting function
  • Locking connectors avoid accidental disconnection
  • 6 hours of continuous operation on AA batteries
  • The receiver comes with a detachable shoe mount adapter and belt clip
  • 3.5mm output cable for cameras and XLR output cable for professional camcorders

Dual-Channel Receiver Lets You Expand Your System

  • The dual-channel receiver enables you to expand your system with a second microphone
  • Choose a TX8 Pro bodypack transmitter with a lavalier microphone, a BY-WXLR8 Pro plug-on XLR transmitter, or an additional BY-WHM8 Pro handheld microphone (all available separately)
  • The dual-channel receiver gives you the option to switch between mono or stereo operation

Quality Wireless Sound

  • Digital companding circuitry
  • Wide switching RF bandwidth
  • PLL-synthesized tuning
  • Up to 48 selectable channels
  • Transmission range up to 300'


Wireless Transmission Analog UHF
Number of RF Channels 48
Included Transmitters 1 x Handheld
Diversity Non-Diversity
RF Frequency Band A:
576.4 to 599.9 MHz
568.6 to 592.1 MHz
Max Operating Range 300' / 91.4 m (Line of Sight)
Max Systems per Setup 2
Bluetooth Not Specified by Manufacturer
Encryption None


Form Factor Camera-Mount
Mounting Options Shoe-Mount
Antenna 2 x 1/4 Wave Wire, Fixed (Top-Mount)
Number of Audio Channels 2
Audio I/O 1 x 1/8" / 3.5 mm TRS Female Unbalanced Output
1 x 1/8" / 3.5 mm TRS Female Unbalanced Headphone Output
Audio Output Level -60 dBV
Frequency Response 40 Hz to 18 kHz
Power Requirements Battery
Battery Type 2 x AA
Approx. Battery Life 6 Hours
Display & Indicators 1 x LCD
Dimensions 2.6 x 8.2 x 1.1" / 67 x 208 x 29 mm
Weight 3.2 oz / 90 g (without Batteries)


Form Factor Handheld
RF Output Power Up to 10 mW
Audio I/O None
Auto-Level Control No
Antenna 1 x Internal (Handheld)
Power Requirements Battery
Battery Type 2 x AA (Not Included)
Approx. Battery Life 6 Hours
Display & Indicators 1 x LCD
Dimensions 2.1 x 10.1 x 2.1" / 53 x 256 x 53 mm
Weight 8.9 oz / 252 g (without Batteries)


Form Factor Handheld Capsule
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Cardioid
SNR 80 dB