1. The sound insulation cover of Xu Di wall-breaking machine adopts 4MM thick patented sound insulation cover, and the sound of wall-breaking is as low as 53 decibels, which is very good. The sound of wall-breaking cover of powerful wall-breaking machine is 68 decibels.
2. The biggest feature of Sapphire is its low noise. It has a five-fold noise reduction system and is equipped with a sound insulation cover to suppress noise from the source, 58 decibels, and the sound is not high.