Soundproof / canopy of trees The third generation of Baifa soundproofing generators has been improved on design. Soundproof canopy is guaranteed to reduce at least 30% noise level compared to open type transmitter at FULL load. ex: BF-C550 Open-type noise 109dB (A) > BF-C550s type noise-dispersion 72dB (A) Significant changes from very loud to moderate or some in normal conversation noise (as checked)

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