power amplifier

A power amplifier is a specialized audio amplifier designed to drive speakers or other high-impedance loads by converting low-level audio signals into sufficient voltage and current output to produce sound at desired volume levels. Power amplifiers separate from mixing consoles enable flexible speaker configurations and allow independent control of amplification in live sound, studio monitoring, and commercial audio installations. Selecting appropriate power amplification depends on speaker impedance, desired output level, and frequency response requirements.

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