Acoustic Horn - Passive Smartphone Amplifier
Print Profile(1)

Description
Acoustic Horn - Passive Smartphone Amplifier
I designed this passive amplifier to merge pure acoustic physics with a clean, functional aesthetic. The core engine is a precise 45-degree acoustic bounce that catches your phone's downward-firing audio and directly projects it forward through the organically swept horn, naturally boosting the mid and high frequencies. No power required.
Visually, I wanted to play with high contrast. I think it looks totally great and not corny at all, especially if you print it in a glossy translucent PETG or rich matte. It’s designed to look highly engineered and right at home. Best of all, it’s a true print-in-place model. Minimal supports, zero hardware, and zero assembly. Drop it on the build plate and go!
This is made to work with iPhone 15 pro max, but the total area available can fit a larger phone. The inner channel design is self centering, so you can even use a much smaller phone as well.
There is probably not enough space for you to use this with a case on, unless it's one of those super thin cases. If enough people request it I can make a version with a bigger phone pocket.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.














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