How to Speaker Connected with Mobile Headphone Jack

I am show about the speaker connected  with mobile headphone jack. the speaker connected in amplifier.the mobile headphone jack to amplifier.
components link:
1. Dc Motor


2. Permanent Magnet
http://gestyy.com/w42EJu

3. Neodymium Magnet
http://gestyy.com/w42E2g

4. Butten Magnet
http://gestyy.com/w42E8i

5. Small Permanent Magnet
http://gestyy.com/w42Rf9

6.fan