amplificator
/ˌæmplɪfɪˈkeɪtər/Definitions
1. noun
A machine or device that amplifies sound or electrical signals.
“The theater used an amplificator to boost the sound of the orchestra.”
2. noun
A device or system that increases the power or magnitude of something, such as a signal or a physical force.
“The company developed an amplificator to amplify the electromagnetic waves.”