Speaker making weird sounds

[Ibrahim Jafarsoy]

My speakers recently started making weird buzzing sounds after 5 seconds of playing,even turning off and muting it doesnt stop it until i unplug it
See the video below
https://www.youtube.com/watch?v=f3lWsi8uD6A&feature=youtu.be

 

[drivinfast247]

Sounds like a ground loop issue. Try a different outlet.

 

[americanaudiophile]

The sound in the video seems like an oscillating amp rather than a ground loop.