Definition
Frequency response
The measured output level of a speaker across the audible spectrum, normally stated in dB with a tolerance such as ±3 dB. A tighter tolerance over a stated range is more informative than the range alone.
Also known as: FR, bandwidth
Why this term matters
Frequency response appears throughout our guides because it changes the outcome of a setup decision. Linking to a single stable definition keeps our articles consistent and gives answer engines an unambiguous entity to resolve.