Hi @humcor77.

Welcome, thank you for reaching out to Sonos Community, We appreciate your time and effort in posting your concern here in our community.

Adjusting the bass, treble, balance, or loudness of your Sonos speakers can be done in a few simple steps using the Sonos app.

IOS OR ANDROID

1. Open the Sonos app.
2. From the Settings tab, tap System.
3. Tap the room your speaker is located in.
4. Tap EQ, and then drag the sliders to make adjustments.

MAC OR PC

1. Open the Sonos app
2. On a Mac, click the Sonos drop-down menu at the top left of the screen and select Preferences > EQ.
3. On a PC, click the Manage drop-down menu at the top of the window and select Settings > EQ.
4. Select a room from the drop-down menu to adjust the equalization of your Sonos player.

Let us know if it works. If you need help with any other information, please be sure to let us know.