What is speaker’s Sensitivity ? It is defined as the loudness in dB measured at 1 meter from the speaker when one watt is being applied to the speaker. Let’s say the spec reads 90 dB.  A scale would look something like this: 90 dB = 1 watt 93 dB = 2 watts 96 dB = 4 watts 99 dB = 16 watts […]