How do you use a vibration speaker?
Setting a vibration speaker down on a solid surface positions the plate so that it will vibrate against that surface. As current alternates in the coil, it moves up and down, pushing against the movable plate. The plate pushes against the surface, transferring the energy to the surface and turning it into a speaker.
How do you turn something into a speaker?
Can you make a homemade speaker?
All you do is cut two holes into the sides of two plastic drinking cups and insert a toilet paper or paper towel tube. The sound is great and your phone stays upright. Here’s a tip that most sites overlook: cut holes into the bottoms of the cups, too.