The Flat preset, when selected, disables the equalizer. It is pinned to the Start menu by default.
To enable Equalizer in Groove Music in Windows 10, do the following. The application doesn't include any option to save your current settings as a preset, which is not convenient. When you are changing settings for a preset, the app switches to the Custom option automatically. At the moment of this writing, the presets are as follows: The level adjustment for each band is between -12 and +12 decibels. The equalizer feature in Groove Music is implemented as a 5 band graphic equalizer ranging from low to high frequencies. The recent update does add equalizer improvements. These were all long-awaited features which are already available in other music streaming services but weren't built into Groove. The app gradually received the Fluent Design makeover and was going to get Music Visualizations, an Equalizer, Spotlighted Playlists, Playlist Personalization and Auto Playlist Generation.
