+An **audio amplifier** is an electronic device that boosts a low-power [audio signal](/wiki/audio_signal) to a level suitable for driving [speakers](/wiki/speaker) or headphones. It transforms subtle electrical whispers into rich, audible sound, bringing music and speech to life.
+## See also
+- [Amplifier](/wiki/amplifier)
+- [Sound](/wiki/sound)
+- [Electronics](/wiki/electronics)
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