Tech Glossary
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Efficiency - The ratio of energy output to total energy input, expressed as a percentage. With speakers, this refers to the ratio of total acoustic watts radiated to total electrical watts input.
Electromagnetic Interference (EMI) - The interference caused by an electromagnetic field created by the flow of current.
Equalization - The process of changing the frequency balance of a signal so acoustical energy is proportional to the electrical input (or any type of relative frequency adjustment).
Equalizer - A component designed to alter the frequency balance of an audio signal.