Phone Speaker Amplifier

Hello everyone, were is a passive phone amplifier that I made. Simply put you phone in this slot in the box and it will make your speakers way louder. This is a fun and cost effective way to give your phone speaker a little boost. I made the cuttout in the box very large so it should fit most phones. I have a Iphone 15 pro max and you can see in the picture there is still plenty or room. I also did put some rubber feet on the bottom of the amp, this is optional. Any rubber sticker feet on amazon will work. The Physics Explained! 1. Sound Wave PropagationSound is a mechanical wave that travels through a medium (like air). The vibrations from your phone's speaker push air molecules, creating compressions and rarefactions, which we perceive as sound.2. Acoustic Impedance MatchingThe small opening of your phone's speaker creates sound waves that may not efficiently couple with the surrounding air. By channeling the sound into a cone, you match the impedance more effectively, allowi