Receivers perform tasks that would otherwise require several separate devices including preamplifiers, equalizers, power amplifiers, and others. Modern receivers have multiple inputs and are a key component of a surround sound system.Īudio receivers are typically at least a two-channel stereo models and include built-in radio tuners. Audio receiver settings and selections are typically set by a remote controller.Įarly receivers performed the relatively simple task of converting a radio signal into an audio one that could be sent to an amplifier, or directly to a speaker. Audio receiver inputs can come from a radio, satellite receiver, DVD player, VCR, Blu-ray Disc player, or video game consoles, among other sources. Audio receivers receive audio and video signals from a variety of sources then process them and use power amplifiers to drive loudspeakers and send the video to displays such as a television or video projector. An audio/video receiver (AVR or home audio receiver) is a consumer electronics component used in home theaters.
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