Crossword Clue:

loudness of sound

AnswerCrossword Clue
PHONSSound loudness units
PHONUnit of loudness.
BELMeasure of loudness
BELUnit of loudness
BELSUnits of loudness
DECIBELUnit of loudness
PHONUnit of loudness
SONESUnits of loudness
SONESMeasures of loudness
SONEUnit of loudness
AMPLoudness increaser, of a sort
DECIBELMeasure for loudness of noise.