Passive Speaker/Amplifier Phone Stand for Bottom-Speaker Phones
Helps to amplify/redirect sound from phones with bottom-facing speakers. Edit: Updating dB stuff with new measurements and correct maths Increase is around 8-9dB for the intro to the song “Smokin'” by Boston played on my P20pro from…
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![Passive Phone-Horn [iPhorn]](https://media.printables.com/media/prints/682312/images/5361776_d4140e9c-0ad0-4d32-acba-040e63506195_0f4be460-1440-4417-890e-f8cf9e89505b/img_0148.jpg)





























































































