[Q] Manually disable enable headphone jack

[numero13]

Hi all, is there any app, mod or something like that for manually eneble/ disable the haedphone jack (3.5mm) on Android 4.4?
I tryed some apps but seens nothing working for me.

 

[gripfly]

try Soundabout..

 

[numero13]

try Soundabout..

i tried, but not working