How to Make a Cheap and Easy Speaker for Mp3,ipod,etc

how to make a easy and cheap speaker 
 it is easy but not loud and don't use big speaker
and if you want speaker for ipod or mobile phone (any thing that the jack not 3.5 audio jack, you can change the jack.)
and if you have any question post it in comment and Hope this helps!


You will need:
- Speaker and a 3.5 audio jack.
-Jar lid that the speaker can fit into nicely.
-Electric tape 

you will need:

speaker
3.5 audio jack
jar lid
and Electric Tabe

tools:

Scissors

Cut the lid as shown for the wire. It needed a period after wire.

Connect the jack wire to the speaker wire as shown

Secure every thing and it is ready to test!