Equalizer

• 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

• 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

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

• Equalizer hitch, a type of towing hitch used to better distribute the load on a towing vehicle
• Equalization (disambiguation)
• Equal (disambiguation)

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