Sonic amplifier

Sonic amplifier was a device for amplyfying the volume of the sounds. Gault Rennow threatened to use a Sonic amplifier on Dretcher's hideout container, making the tones of Kashyyyk Life Day Choir so loud, they's shake him to death.

Behind the scenes
Sonic amplifier appears in Star Wars: The Old Republic: Knights of the Fallen Empire Chapter 13: Profit and Plunder.