In this video you will see how can increase output power of audio amplifier which is suffering from low gain problem. You can solve this problem using this signal input card which gives excellent quality signal boosting, adjustable gain facility so it is very comfortable to every amplifier
PDF file for this project please click here https://drive.google.com/folderview?id=1vFvK_bD1qLhALpgdITu6P0QVmk2MGpCO