Sentences with phrase «over ambient noise levels»
The V2 turbines are made from steel and aircraft - grade aluminum, are said to be quiet (less than 5 decibels over ambient noise levels), vibration - free, safe for birds and bats, and need no grid power to start spinning.
https://www.treehugger.com/ Not exact matches
If you want music that can be heard over high ambient noise levels, a crowd of your friends, or from far away from your beach blanket, then you're going to need a larger speaker set with more power.