Mini Audio Amplifier with LM386 IC: Bass Boost, Configurable Gain, and Electret Microphone. The presented circuit uses the LM386 IC, a low-power audio amplifier widely used for its simplicity and efficiency. This project is ideal for applications like portable speakers, DIY systems, and learning electronics. The assembly uses SMD components, making the circuit compact and ... Read more This article first appeared in LM386 mini amplifier bass boost volume microphone Xtronic.org