The audio circuit should be duplicated but the power supply assists to the two channels without problems.
High power amplifier circuit board.
For the amplifier circuit i spent a couple of weeks researching and evaluating possibilities and settled on the eaumt 0050 2 a class d amplifier board from 3e audio in shenzhen city china.
It helps you to use aa 1 5v battery x2 3v to run a power amplifier.
A special care should beread more.
The circuit just shows a channel and the power supply that it assists to the two channels.
Power amplifier circuit diagram is still less by looking at.
The easy circuit using a 12v supply.
Make offer bass power amplifier board mono pure subwoofer output high power amplifier diy mono channel amplifier amp board 10000 uf 2 150w fet power amp with irfp250 6 18 90.
2019 des 5 5000w high power amplifier circuit electronic circuit diagram and layout.
20w integrated amplifier tda2005 with the tone control.
Even a 5v audio amplifier circuit diagram.
Tda2822 stereo amplifier this is a stereo power amplifier.