0.5W Universal Mini Audio Amplifier

This circuit is a universal amplifier based around the popular LM386 Integrated Circuit that can be used in many applications such as telephone amplifier, head-phone amplifier, and general audio signal amplification. It's perfect for any of those projects that need an inexpensive and efficient amplifier that takes up minimal space. Due to its simplicity it's also a great educational circuit for beginners and is very easy to assemble.