Equalizer

Equalizer, Equaliser, or The Equalizer may refer to:

Science and technology

 * Equalizer (audio), a device used for adjusting the volume of different frequency bands within an audio signal
 * Equalizer (communications), a device or circuit for correction of frequency dependent distortion in telecommunications
 * Equaliser (mathematics), a construction in category theory
 * Whippletree (mechanism), a linkage also referred to as an equalizer

Arts and entertainment

 * Equalizer (Datel), a game-hacking cheat cartridge by Datel
 * "Equalizer" (k-os song), a song by hip hop artist k-os
 * The Equalizer, an American spy thriller television and film franchise including:
 * The Equalizer (1985 TV series)
 * The Equalizer (2021 TV series), reboot of the 1985 TV series
 * The Equalizer (film), a 2014 film loosely based on the 1985 TV series
 * The Equalizer 2, a 2018 film and the sequel to the 2014 film
 * The Equalizer 3, a 2023 film and the sequel to the 2018 film
 * Dave Sullivan (wrestler) (born 1960), American retired wrestler, stagename "The Equalizer"
 * Equalizers, the magical girl protagonists in the Japanese multimedia franchise The Girl in Twilight
 * "The Equalizer", an NFL Films song by Sam Spence

Other uses

 * GAU-12 Equalizer, a type of Gatling gun
 * Equaliser (sports), a goal or run that ties the game