noun Date: 1792 one that equalizes: as, a score that ties a game, an electronic device (as in a sound-reproducing system) used to adjust response to different audio frequencies
EQUALIZER
Meaning of EQUALIZER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012