Term: Frequency Response

A measurement, in hertz, of an audio circuit, speaker, or headphone’s ability to produce sound from low bass to high treble. This measurement includes a range of acceptable tolerance stated in decibels, For example, the frequency response of a device would be expressed as 20 Hz to 20 kHz (± 3 dB). Human hearing covers a frequency range from 20 Hz to 20 kHz.