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 | 0.1% or less (32Ω,1 KHz,65mW output) |
RF output level | 2 mW |
Earphone output level | 32Ω,65mW |
Reception sensitivity | -85dB +/- 3dB / 0dB=1V/Pa, 1kHz |
Audio input connector | 3.5mm mini jack |
Operation range | 25m (80ft.) |
Power requirements | 1.5V DC (One AA size battery) |
Consumption power | Transmitter: 1.5V/120 mA / Receiver: 1.5V/120 mA |
Battery life | Transmitter: Approx. 3.0 hours / Receiver: Approx. 3 hours |
Dimensions | Transmitter: 60mm x 86mm x28mm (W/H/D) |
Receiver | 60mm x 86mm x41mm (W/H/D) |
Transmitter | 136g (4.37oz) (Without battery) |
Receiver | 152g (4.89oz) (Without battery |
Reviews Boya BY-WM4 Wireless Microphone System