We probably need far more information to be able to help, as we have no idea what you have built apart from some 3d printing.
But best bet is to google MAX98357A and learn about the gain pin and what you can do increase gain.
We probably need far more information to be able to help, as we have no idea what you have built apart from some 3d printing.
But best bet is to google MAX98357A and learn about the gain pin and what you can do increase gain.