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Dual-Channel Wireless Receiver
48 Selectable UHF Channels
Broadcast-Quality Sound
Includes Two Transmitters and One Receiver
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)
More than 6 Hours Continuous Operation
Operation range can reach up to 100m(300')(without obstacle)
Two AA batteries for both transmitter and receiver




Oscillator Type: PLL Synthesized Control Oscillator
Carrier Frequency Range: 
 576.4 MHz-599.9 MHz (Transmitter: A )
 568.6 MHz-592.1 MHz (Transmitter: B )
Channels    : 48
Frequency Response: 40 Hz to 18 kHz (+/-3dB)
Operation Range: 100m (300')(without obstacle)
Operating Temperature: 14° F to 122° F (-10℃  to +50℃)
Storage Temperature: 14° F to 131° F (-10℃  to +55℃)


 RF output Power: ≤10 mW
 Antenna: 1/4λ wire antenna
 Spurious Emission: 250 nW or less
 Audio input Connector: 3.5 mm mini jack
 Reference Audio input Level: –60 dBV (MIC input, 0 dB attenuation)
 Reference Deviation: ±5 kHz (–60 dBV, 1 kHz input)
 Input Frequency Range    : 20 Hz-20 KHz
 Distortion: 0.5% or less
 Power Supply: Two AA size batteries
 Operation Time: About 6 hours
 Dimensions: 208(H)  × 67(W) × 29(L)mm
 Weight: 80 g without batteries



 Antenna: 1/4λ wire antenna
 Audio input Connector: 3.5mm mini jack
 Signal-to-noise Ratio: 70 dB or more
 Distortion: 0.5% or less
 Headphone output Level: 30mW (16 Ω)
 Audio output Level: –60 dBV
 Power Supply: Two AA size batteries
 Operation Time: About 4 hours
 Dimensions: 208(H) × 67(W) × 29(L)mm
 Weight: 90g 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’)


2 x  BOYA Transmitters
1 x  BOYA Receiver
1 x XLR output cable
1 x Stereo 3.5mm mini plug cable
2 x Omni-directional lavalier microphone 
3 x Belt clip
1 x Shoe mount adapter

[BMC] BOYA BY-WM8 Pro-K2 UHF Dual-Channel Wireless Microphone System