Your phone automatically identifies the type of media you're playing and how you're listening (phone's speaker, headphones, or other connected audio device), and adjusts sound for that experience. You don't have to do anything. Audio effects is always on, unless you turn it off.
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.
Connect or disconnect devices as needed:

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 > Audio effects.

To add or remove Audio effects in quick settings:
Touch 


To turn Audio effects off for the loudspeaker and any connected device:

Tap the image on the screen 3 times.
The On toggle appears.
