BOYA BY-WM8 Pro K3 Handheld UHF Dual-Channel Wireless Microphone System for DSLR
Introduction
BY-WM8 Series is an UHF dual-channel wireless microphone system for capturing audio with dual subjects, features an easy-to-read LCD display, a wide switching RF bandwidth, PLL-synthesized tuning and digital companding circuitry.
The package is suitable for a wide range of wireless applicationssuch as interviews, electronic news gathering (ENG), electronic field productions (EFP), film production, business and educationalapplications, and more.
Features
• Dual-Channel Wireless Receiver
• 48 UHF Channels
• Seletable Stereo and Mono Mode
• Mic and Line-in
• Selectable Mute function
• Easy-to-read LCD displays
• Automatic LCD-locked Function
• Monitoring sound by headphone output (Receiver)
• Two AA batteries for both transmitter and receiver
Specification
System
Oscillator type: PLL Synthesized Control Oscillator
Carrier Frequency Range: 556.71 MHz-575.98 MHz (Transmitter A)
576.39 MHz-595.66 MHz (Transmitter B)
Channels: 48
Frequency response: 40 Hz to 18 kHz (+/-3dB)
Operating temperature: 14° F to 122° F (-10℃ to +50℃)
Storage temperature: 14° F to 131° F (-10℃ to +55℃)
TX8 PRO , BY-WXLR8 PRO, BY-WHM8 PRO
RF output power: ≤10 mW
Antenna: 1/4λ wire antenna
Spurious emission: 250nW or less
Audio input connector: 3.5mm jack
Reference audio input level: –60 dBV (MIC input, 0 dB attenuation)
Reference deviation: ±5 kHz (–60 dBV, 1 kHz input)
Input frequency range: 20Hz-20KHz
Distortion: 0.5% or less
Power supply: Two AA size batteries
Dimensions: TX8 PRO:20.8 x 6.7 x 2.9 cm
BY-WXLR8 PRO: 5.7x4.55x11.69cm
BY-WHM8 PRO: 5.3x5.3x25.6cm
Weight: TX8 PRO: 81g (without batteries)
BY-WXLR8 PRO: 162g (without batteries)
BY-WHM8 PRO: 252g (without batteries)
Receiver:
Antenna: 1/4λ wire antenna
Audio output connector: 3.5mm jack
Signal to noise ratio: 80dB or more
Distortion: 0.5% or less
Headphone output level: 30mW (16 Ω)
Audio output level: –60 dBV
Power supply: Two AA size batteries
Dimensions: 208(H) × 67(W) × 29(L)mm
Weight: 95g without batteries
Transducer: Back electret Condenser
Polar pattern: Omni-directional
Frequency Range: 35Hz ~ 18 KHz
Signal / Noise: 74dB SPL
Sensitivity: -30dB +/-3dB / 0dB=1V/Pa, 1 kHz
Connector: 3.5mm locking mini plug
Length: 1.2m (4’)

 
 
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