How loud are these? A How loud are these? Permalink Click here to go back to all FAQ’s.Roughly 51 DBA..This is more quiet than a refrigerator.Click here to go back to all FAQ’s. Did you find this FAQ helpful? 0 0 Share facebook twitter linkedin pinterest email Back to Top previousHall of Fame of Corsi/Rosenthal Boxes – or ideas for your own box!nextHow expensive is the Corsi/Rosenthal Box?