BOYA by-WM8 Pro-K1 UHF Wireless Microphone System

Product Highlights

Ideal for interviews, ENG/EFP, DSLR Video etc.

  • Compander for High-quality and Clear sound
  • Dual-Channel Wireless Receiver
  • 48 UHF Channels
  • Selectable STEREO/MONO Mode
  • Plug and Record Functionality
  • Programmable Mute function
  • Mic and Line-in
  • Camera-Mountable Receiver
  • Monitoring sound by headphone output (Receiver)
  • Includes Omni-Directional Lavalier Mic
  • Includes XLR output cable, Stereo mini plug cable
  • More than 6 Hours Continuous Operation
  • Operation range can reach up to 100m(300′) (without obstacle)
  • Power Supply: Two ( x2 ) AA batteries

$120.00 ($139.20 inc VAT)

Get it for as low as USD 15 /mo.

SKU: BOYBYWM8PROK1 Categories: , , ,

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The BY-WM8 Pro-Kit 1 UHF Dual-Channel Wireless Lavalier System from BOYA includes a UHF dual-channel wireless receiver, a wireless bodypack transmitter, an omnidirectional lavalier microphone, a microphone clip, a foam windscreen, a shoe mount adapter, a 3.5mm to XLR output cable, and a 3.5mm to 3.5mm output cable. This wireless system can be used to capture audio from one subject for electronic news gathering (ENG), electronic field production (EFP), film, business, and educational applications.

Featuring an easy-to-read LCD display, wide switching RF bandwidth, PLL-synthesized tuning, and digital companding circuitry, the BY-WM8 Pro-Kit 1 system is equipped with 48 selectable UHF channels and offers broadcast-quality sound. Other features include selectable stereo and mono modes on the dual-channel receiver, a mute function, LCD-locked function, receiver headphone output for monitoring, and 300′ operation range.

Furthermore, the system is powered by AA batteries (sold separately), which offer up to 6 hours of continuous operation. The BY-WM8 Pro-Kit 1 UHF Dual-Channel Wireless Lavalier System is built with easy and flexible wireless synchronization between transmitter and receiver via infrared, so you will always find a clear channel to transmit on. The user-friendly LCD menu screen is quick and easy to navigate, which makes it suitable for quick, clear, and easy operation.

  • Digital companding
  • Up to 48 selectable channels
  • Dual-channel receiver
  • Up to 32 MHz of transmission bandwidth
  • Easy and flexible wireless synchronization between transmitter and receiver via infrared
  • User-friendly menu operation
  • Muting function
  • Locked plugs avoid accidental disconnection
  • Transmission range up to 300′

Additional information

Carrier Frequency Range

576 MHz-599 MHz (Transmitter B)
584 MHz-608 MHz (Transmitter A)

Frequency Response

40 Hz to 18 kHz (±3 dB)

Oscillator Type

PLL Synthesized Control Oscillator

Operation Range

300' / 100 m (without Obstacle)

Polar Pattern




RF Output Power

≤ 10 mW

Reference Deviation

±5 kHz (-60 dBV, 1 kHz input)

Mic Signal to Noise Ratio

80 db

Cable Length

4.0' / 1.2 m

Analog Performance
Frequency Range

20 Hz-20 KHz
35 Hz to 18 kHz


back electret condenser

Output Level

120 mV
60mW, 32 Ohms/1KHz

Input Connections

1/8" / 3.5 mm Line-Level Input
1/8" / 3.5 mm Mic Input

Operating Temperature

14°F to 122° F (-10℃ to +50℃)

Storage Temperature

14°F to 131°F (-10℃ to +55℃)

Audio Sensitivity

-30dB +/-3dB / 0dB=1V/Pa, 1 kHz


1/4 Wire Antenna

Power Supply

2 x AA Size Batteries


approx. 7.0×2.6×1.1″(17.7×6.7×2.9cm)


approx. 95g without batteries

Packaging Information
Box Dimensions (LxWxH)

11.2 x 9.5 x 2.2"

Package Weight

2.1 lb

Spurious Emission

250 nW or less

Input Level

600 mV-2000 mV


0.5% or Less


1/8" / 3.5 mm Locking Mini Plug

If you find any inaccurate information above please let us know.


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    • 1 x Receiver
    • 1 x Transmitters
    • 1 x Lavalier Microphone
    • 1 x Stereo 3.5mm imni plug cable
    • 1 x XLR output cable
    • 1 x Microphone Holder Clip
    • 1 x Windscreens
    • 1 x Shoe mount adapter
    • 1 x Belt clip
    • 1 x Instruction Manual (In English)
    • 1 x Hard Protecting Case Bag
    • 1 x Original Packing

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