For the LM3886 Amplifier PCB board:
ze: 61mm X 31 mm
For the LM3886, each channel needs one PCB board and also you may connect more board in parallel
for DIY , not including the components
This amplifier board can also be used in parallel , which could drive low impedance loads .
Mode for one board:R1 needn't to be connected and could be replaced with a short jumper , other components could be installed as the picture shown
4*10000uF/50V Rectifier Filter Power Supply Board (For LM3886TF TDA7293) PCB