Audio power amplifier
AUDIO AMPLIFIER THAT REACHES POWER OUTPUT SUFFICIENT TO CONTROL A LOUDSPEAKER
Power amplifier; Audio Amplifier; Amplifier Home Audio; Audio amplifier; Amplification (audio); Power amplifiers; Power amplifer; Power amp; Amplification device
An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones. Audio power amplifiers are found in all manner of sound systems including sound reinforcement, public address and home audio systems and musical instrument amplifiers like guitar amplifiers.