+An [Audio Amplifier](/wiki/audio_amplifier) transforms a weak [audio signal](/wiki/audio_signal) into a robust current, essential for powering output devices. This electronic circuit enables sound to be heard through [speakers](/wiki/speaker) or headphones at desired volumes.
+## See also
+- [Power Amplifier](/wiki/power_amplifier)
+- [Signal Processing](/wiki/signal_processing)
+- [Electronics](/wiki/electronics)
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