amplifier

nouns

electronic equipment that increases strength of signals passing through it
amplifier
is derived from
amplify
is derived from
amplify
is a part of
an electronic amplification system used as a communication system in public areas
P.A., P.A. system, PA, PA system, public address system
is a part of
an electronic receiver that detects and demodulates and amplifies transmitted signals
radio, radio receiver, radio set, receiving set, tuner, wireless
is a part of
reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound
stereo, stereo system, stereophonic system, stereophony
is a type of (narrower)
equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
electronic equipment