Hello all
The volume is always very dependent on the substrate. But we assume a maximum db value of 68db.
But the nice thing is that you can run the Roomba j7 without any problems when you are not at home. So the volume is not relevant. :)
Many greetings
Your iRobot Team

Thank you very much for your comment. We will gladly forward this internally to the responsible department and hope that this will be checked promptly.