Narwal Flow 2 vs Roborock Qrevo S: Narwal is noticeably quieter for home office use

The Narwal Flow 2 runs 8 dB quieter than the [Roborock Q](https://www.amazon.com/s?k=Roborock+Q&tag=wehavethat-20)revo S (67 vs 75 dB), which is a real-world difference. If you work from home and don’t want a vacuum competing with your calls, the Flow 2 is the better fit.