Audio amplifiers receive input audio signals and amplify them to a desireable output in regard to volume, power, and sound quality with low distortion. They are specialized for use in applications such as audio, video, or a combination of the two. Product types in this category include audio power amplifiers, distribution amplifiers, guitar amplifiers, microphone preamplifiers, SPDIF repeaters, tube amplifiers, tube preamplifiers, video line amplifiers, and more.