How much quieter is the Narwal Flow 2 than the Roborock Qrevo S?

The Narwal Flow 2 runs at 67 decibels compared to the [Roborock Q](https://www.amazon.com/s?k=Roborock+Q&tag=wehavethat-20)revo S at 75 dB — an 8-decibel difference that’s noticeable in real life. The Flow 2 is a better fit if you work from home and don’t want a vacuum competing with your calls.