Using the Equalizer settings

In the Bose app, select your product then tap on the EQ button in the lower-left corner; or within the Sound section of the Settings menu, select Equalizer.

On the Equalizer screen, you'll find the following adjustments:

Flat EQ - No added equalization	Bass Boost - Click Bass Boost to increase the bass level	Bass Reducer - Click Bass Reducer to decrease the bass level
Treble Boost - Click Treble Boost to increase the treble level	Treble Reducer - Click Treble Reducer to decrease the treble level	Custom EQ - Customize your own EQ settings

Bass, mid, and treble level presets chosen with the Bass/Treble / Boost/Reducer buttons. Graphic EQ changes can made by pressing-and-sliding the white circle up or down. To return the default EQ curve, tap Reset in the upper-right corner.