English please. 

Hello
I want a DIY project. Share PCB?
IS it necessary to use a coupling capacitor for the speaker connection?
Hi BroView attachment 1072833
There you have it.
If you want to build it I have a lot of spare boards I've made 🙂
can share with point voltage?
I need a refernces point for dual power 24-0-24 for bias 1,5A