What is another word for audio amplifier?
Pronunciation: [ˈɔːdɪˌə͡ʊ ˈamplɪfˌa͡ɪ͡ə] (IPA) 
An audio amplifier is a device that amplifies the sound signals from audio sources such as musical instruments, microphones, and audio players. There are many different terms that can be used as synonyms for audio amplifier. These include headphone amplifier, power amplifier, stereo amplifier, home theater amplifier, integrated amplifier, tube amplifier, solid-state amplifier, preamplifier, and DAC (digital-to-analog converter). Each of these terms describe a specific type or function of audio amplifier. For example, a headphone amplifier is designed specifically to amplify the signal going to headphones, while a preamplifier is used to improve the signal quality before it enters the main amplifier.
