Open Music player. Select Now playing > Options > Equaliser.

Five frequencies are preset in your device: Bass booster, Classical, Jazz, Pop, and Rock, but none of them are selected as default.

Select Options and from the following:

With the equaliser graphic setting, you can adjust frequencies during music playback and modify the way your music sounds.

The available options may vary.

To delete a frequency preset, scroll to it, and press C. You can only delete frequency presets you have created yourself.