Why does my speaker and headphone working simultaneously?

Why does my speaker and headphone working simultaneously? 

If your mobile device is having issues with the sound output such as low-quality sound output, audio playback cut off, or simultaneous audio playback on both headphone and speaker, it is most probably caused due to a loose connection, due to dirt or debris, or due to a faulty audio jack.

How do I separate headphones and speakers? 

Why does sound come out of my speakers when my headphones are plugged in? 

This issue might happen when you have the speakers set as the default audio device. To fix it, you’ll need to set your default output device manually. Follow the instructions below: 1) Right-click the Volume Control icon on the taskbar and select Sounds.

How do I change Realtek audio settings? 

Method 1: Change Realtek Audio Manager Settings
  1. Double click the Realtek Audio Manager from the icon tray (bottom right corner)
  2. Click Device advanced settings from the top right corner.
  3. Check the option Make front and rear output devices playback two different audio streams simultaneously from the Playback Device section.

Why does my speaker and headphone working simultaneously? – Related Questions

How do I stop headphones and speakers playing at the same time Android?