Answer: preamps

AnswerCrossword Clue
PREAMPSSome mic boosters
PREAMPSStereo components
PREAMPSSound system components
PREAMPSRadio components
PREAMPSThey may be used to make mics louder
PREAMPSSome sound system components
PREAMPSRecording studio pieces
preampsPREAMP, an amplifier