An equaliser is a device or tool used to balance or adjust the different frequencies in music or sound to make them all sound equally loud or clear. Full definition
The same goes for equaliser settings, but you can't fiddle with those unless you have headphones connected. (techradar.com)
Both Arkadiusz Milik and Bartlomiej Pawłowski scored late equalisers in 2 - 2 draws for Augsburg and Malaga, respectively. (thickaccent.com)
In fact the Gunners did not have a shot on target until Olivier Giroud's late late equaliser from Oxlade - Chamberlain's superb cross. (justarsenal.com)