You can select a preset sound profile for your loudspeaker, headphones, or other connected device, and your phone will remember the next time you connect it.
Open quick settings, then touch & hold 
Or, open the Dolby Atmos app 

To customize a selected sound profile, next to the profile name tap 

To show or hide Audio effects in your list of apps:
Go to Settings > Sound & vibration > Audio effects.
Or, open the Moto app and touch 

To add or remove Audio effects in quick settings:
Touch 


To turn Audio effects off for headphones or another connected device:

To turn it off when you're listening through the loudspeaker:

