Parametric Acoustic Horn Amplifier for Your Phone

Your gear, set up the way you pictured it.

2.7k downloads in the maker community

$7.99

Color: Gray

Printed in the USA when you order.

1.You order it
2.We print it fresh
3.It ships to you

Boosts your phone's speaker volume naturally so you hear calls and music clearer without batteries
Uses math-based horn design so each print fits your exact needs and space
Works as a phone stand and sound funnel so content plays louder during work or cooking
Fully customizable through FreeCAD script so you control the size and shape you print

Get louder phone audio without plugging in anything. This parametric acoustic horn sits under your phone and amplifies sound by using curved funnel physics. No power needed, no buttons to push, no setup required.

The design is a FreeCAD Python script that you customize before printing. Want a wider horn for deeper bass. Need it taller for your desk. You adjust the parameters to match your phone and room. The creator tested it as a cellphone amplifier with solid results.

Print it on demand in your material of choice. Use it at home, at work, or anywhere you need your phone to sound stronger. Perfect for video calls, music, podcasts, or just having fun with acoustics.