Bass Response describes the ability and behavior of an audio system (especially a speaker) when reproducing low frequencies.

It is essentially "how the bass sounds" in a given piece of equipment.

A good bass response doesn't necessarily mean "lots of bass," but rather precise, defined bass that extends to the lowest frequencies in a controlled and uniform way.

The bass response of a speaker is mainly determined by:

• The cabinet design: The type (sealed, bass-reflex, etc.) and the internal volume.

• The speaker (woofer): Its size and physical characteristics.

• Power:Ability to amplify with less effort and less distortion

This combination defines two important things:

1. Extension of Bass: The lowest frequency that the speaker can reproduce at an audible level (e.g., down to 40 Hz).

2. Roll-off: The way the bass volume decreases below this lowest frequency. It can be a smooth decay (in sealed speakers) or a more abrupt one (in bass-reflex speakers).