@cpm I explained PA with this image ...
And how you could alter frequency, power, range with a fntastic amount of control depending on power...and that could be conserved or unleashed depending on one's need or whim.
Being a music person, she groked and launched forward.
Also design request, use a fucking standard 18v "magazine" rechargeable battery from Ryobi/DeWalt/Milwaukee ...
With Pizos, that's easier.
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