In professional audio, an amplifier, or amp, is an electronic device designed to increase the voltage, current, or power of an audio signal. Amplifiers use energy from a power supply to make the audio output signal stronger than the audio input signal. Most amplifiers have similar functionality, but they each provide unique features in areas like power production, amount of channels, number of connections, and audio control options. In a live sound environment, it’s most important to have a flexible, rugged power amplifier that can push the audio signal high enough to go through the rest of the sound system to reach the intended audience.


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