How do speakers work? Incredibly small, yet impressively loud

Speakers weigh less than a dime but can be heard throughout a massive room.  How do they make such intricate sounds while being so small?  This fundamental lesson gets into the components of a smartphone's speaker as well as their function.

Table of Contents:

00:14 Section 1:  Intro & Component Exploded Diagram

01:40 Section 2:  Diaphragm

02:20 Section 3:  Voice Coil

02:38 Section 4:  Magnet

03:43 Section 5:  Spider

04:25 Section 6:  Summary

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