Equalization Settings
The Sonos PLAY:5 ships with the equalization settings preset to provide the optimal playback experience. If desired, you can change the sound settings (bass, treble, balance, or loudness) to suit your personal preferences.
Using a handheld controller, select Settings -> Room Settings.
Touch to select a room.
Select Music Equalization, and then drag your finger across the bass, treble, or balance sliders to make adjustments.
To change the Loudness setting, select On or Off. (The loudness setting boosts certain frequencies, including bass, to improve the sound at low volume.)