Sonic

Source Core Rulebook pg. 636
An effect with the sonic trait functions only if it makes sound, meaning it has no effect in an area of silence or in a vacuum. This is different from an auditory spell, which is effective only if the target can hear it. A sonic effect might deal sonic damage.

Equipment

Horn of Blasting, Thundering, Thunderstone

Spells

Cry of Destruction, Shatter, Sound Burst