Sound fire extinguisher

Ever wanted to put out a fire with sound? Now you can! This device uses acoustic waves to extinguish fire. The only thing you need is this bluetooth speaker that you can buy for just 4$. Of course that the speaker itself can't put out a fire. You need to concentrate its energy.That's when the 3D printer comes to place. This 3D printed part concentrates the acoustic energy into a small space so the speaker is more powerful.

So, the procces is as this: When you have the speaker and the wavegui