Circuit Bodging: Audio Multiplexer

Audio amplifiers usually come with a single, glaring design flaw: Not enough auxiliary inputs. Not only that, but you’re usually required to press a button to switch between the amplifier’s limited number of inputs. This is unacceptable - we have better things to do than change input channels! In the spirit of encouraging laziness (usually dubbed ease-of-use), here’s a little gadget that will make your life easier.