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.
Step 1: Supplies
3.5 audio jack
and Electric Tabe