Geir Makedonski

Geir Makedonski

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Geir Makedonski
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This design should work well for any cell phone that is narrower than 3.5” (including the case) and has a speaker located near the bottom of the phone. I’ve tested with four different models of iPhone and one Android, and the design worked well for all of these phones, producing a similar level of amplification.

This design should work well for any cell phone that is narrower than (including the case) and has a speaker located near the bottom of the phone. I’ve tested with four different models of iPhone and one Android, and the design worked well for all of