preamplifier
/priˈæmpləˌfaɪər/
noun
- An electronic device that boosts a weak signal (such as from a microphone or musical instrument) to a level suitable for further amplification or processing.
- Many modern audio interfaces include a built-in preamplifier.
- He connected the turntable to a preamplifier before the main speakers.
- The sound engineer adjusted the preamplifier to reduce background noise.
Synonyms