Look Who it Was Random video

Inductive coupling amplified speaker

339 views · Published 10 May 2015 · 2:50 · Indexed 3 October 2026

Channel: Rob Cosentino · 2015 · Science & Technology

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First off, sorry for the distorted audio, did this on the quick with a PC mic.

This is a build of an Inductive coupling  speaker. Minimal parts.
I used transducers to amplify the box rather than speakers.

*Inductor Coil (large, big hole)
*LM386 Amplifier @9-12v
*Speaker or Transducer
*A box with a flat surface to put it all in .
*Switch (optional)
*Power LED (optional) 

Mount the inductor where your speaker is on your phone (You can use more than 1 inductor). Mount the rest where you want it then plug the inductor into the input, and plug the speaker into the output, of the LM386. Close her up and enjoy ;)

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