Assertion: audio amplifier | /r/HasProperty | electronic device
Facets:
value: in simple terms
type: OTHER
Source sentences:
text: In simple terms, an audio amplifier is an electronic device that amplifies audio signals.
text: Audio amplifiers are electronic devices that amplify low-power audio signals (signals composed primarily of frequencies between 20 – 20 000 Hz, the human range of hearing) to a higher level.