Do-it-yourself passive speaker for your phone Samsung

In this video you will see how you can make a wooden passive speaker for your phone with your own hands

[@ShawnnieMichaels]

Excuse me, Sir what sound is it?

[@ronaldtreitner1460]

nothing like instead of showing us if it worked and made a difference in sound you resort to a cheap stunt screwing it up.

[@АлексейАлексеев-б3м7м]

Cool bro!

[@SheldonSchafer]

The background music runs through the audio test. Does it really work? I have no idea