Passive Phone Sound Amplifier
thingiverse
This is a passive amplifier for a smartphone speaker. It utilizes the parabolic focal point of the object in order to achieve maximum resonance and volume. It also features a charging cord hole so you can charge your phone while you play music. This product was designed on Autodesk Fusion 360. Here is a video that shows the comparison with and without the amplifier and how the volume and clarity improves. https://youtu.be/AAsXS6pvHOE
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