product description
The board op amp uses TI NE5532
Suitable for LM3886/TDA7293/LM4766/LM1875 power amplifier board
LM317/337 is used for high-precision voltage stabilization, with higher voltage stabilization accuracy and ripple rejection ratio
Operational amplifier power supply ±15.00V
Use ALPS 27 potentiometer
Specifications
Size: 9.6mm*5.8mm*25mm, 2mm thick board, 70um thick copper foil
Power supply voltage: AC DUAL 15.00V TO dual AC18V
Magnification: 4.3 times
Note that the potentiometer is not welded, weld it together or install it separately as needed.