Audio amplifier is an electronic amplifier that amplifies low-power audio signals (signals composed primarily of frequencies between 20 hertz to 20,000 hertz, the human range of hearing) to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain.From Wikipedia
Audio Amplifier products include Audio Amplifier Module Kit, Stereo Headphone Amplifier Kit, Telephone Amplifier Kit, Car Audio Amplifier Kit, Stereo Super Ear Amplifier Kit, Microphone Preamp Kit, guitar Preamp kit etc
