How loud is 40 db?
40 dB is about as loud as a whisper or soft background music. This volume is often perceived as pleasant and is typical of quiet environments. It allows you to concentrate without being distracted by loud noises.
40 dB is about as loud as a whisper or soft background music. This volume is often perceived as pleasant and is typical of quiet environments. It allows you to concentrate without being distracted by loud noises.
