A small but mighty solution here is the usage of an astonishingly cheap PAM8403 stereo audio amplifier module from eBay. Because the module already has requisite capacitors and resistors at the line ...

For best sound, they will need matching audio amplifier modules, ... the Arduino Nano is using the Mozzi audio library to play the classic Wilhelm scream whenever our repurposed button is pressed.

The MM701 is based on Mueta’s world-class, high performance modulator/controller IC (MU201S) in an easy to use, ready-to-go 300W amplifier module with the same excellent specifications. It is cost ...