What does frequency response illustrate in audio equipment?

Frequency response in audio equipment illustrates the sensitivity of the equipment to various frequencies. It describes how effectively a piece of audio equipment—such as speakers or microphones—can reproduce different frequencies of sound, indicating which frequencies are amplified or attenuated. This characteristic is typically represented in the form of a graph that plots frequency against output level, showing the response of the equipment throughout the audible spectrum.

A well-designed audio device will have a balanced frequency response, meaning it can accurately reproduce lower, mid-range, and higher frequencies without significant coloration or distortion. Understanding frequency response is crucial for audio professionals because it directly affects the quality of sound reproduction and the overall listening experience. The specifications related to frequency response help users select equipment that meets their specific audio needs, ensuring clarity and quality of sound across the desired frequency range.