Headphone amplifiers make for simple, practical electronics projects. The Bass Bump Headphone Amp is no exception, since it’s made out of easy to source parts, and can be built on a proto-board.

Bass, Mid, Treble and Gain – plus your 1/4” inputs for your guitar and the footswitch (sold separately). But look at the back of the amp. Take a deep breath. We’re going in. There you have a ...