Amplify Audio with Pencil Cells | Class 11 Student

[yashket]

how to amplify audio?

i have a small mono speaker bigger than a headphone roughly the size of the cheap ones one get with a pc.the problem is that i want to amplfy it using pencil cells.Its just to listen to my ipod while traveling without using my earphones.without the amplifier the sound though clear and crisp is quiet low.can anyone help? actually iam a amatuer studien in class 11 ...
please help

 

[berkeman]

National Semiconductor has lots of possible solutions and a great selection of Application Notes. Maybe see if anything at this page looks suitable:

http://www.national.com/appinfo/audio/

Welcome to the PF, BTW.