I swear, I didn’t see this until I posted yesterday’s post: it’s basically the same thing, but mono (so much for stereo separation anyways), and amplified! I’ll definitely build myself one of these. They’d also make great gifts for guitar playing friends. Refer to yesterday’s project for installing felt in the tin, as it probably helps with the overall sound quality.

Altoids Tin Amplified Mini Speaker [link]

A step-by-step guide that shows you how to put together a basic, battery-operated audio amplifier.

Make a Simple Audio Amplifier [link]