• Clear recording sound Compatible with smartphones, DSLR cameras, Consumer Camcorders, PCs etc.
• Light and compact for easy carrying
• Omnidirectional lavalier microphone
• Easy to use
• Hard case included
• standard camera shoe mount and clip included
• Up to 50m (164ft) operation range (without obstacle)
• Power Supplied by two AA batteries

Boya BY-WM4 Mark II

Boya BY-WM4 Mark II

The BOYA BY-WM4 Mark II wireless microphone system, Designed for videographers on a limited budget and video hobbyists,
new generation BY-WM4 Mark II is a digital wireless microphone, and brings the convenience of a 2.4 GHz wireless system
and capture audio straight to your smartphones, tablets, DSLR cameras, consumer camcorders, PCs etc.

RF Modulation: GFSK (Gauss frequency Shift Keying)
Frequency band: 2.4GHz (2405-2478MHz)
Frequency response: 35Hz-14KHz±3dB
Signal/Noise: 76dB or more
Distortion: 0.05% or less (32Ω,1 KHz,65mW output)
RF output level: ≤ 3mW
Earphone output level: 32Ω,65mW
Reception sensitivity: -90dB +/- 3dB / 0dB=1V/Pa, 1kHz
Audio input connector: 3.5mm mini jack
Operation range: 50m (164ft) (without obstacle)
Power requirements:  
1.5V DC (One AA size battery)
Consumption power:  
Transmitter: 1.5V/120 mA
Receiver: 1.5V/120 mA
Transmitter: 47mm x 70mm x23mm (W/H/D)
Receiver: 47mm x 70mm x23mm (W/H/D)
Transmitter: 45g(Without battery)
45g (Without battery)