Mini bass

At the beginning, I just found a cheap rusty broken speaker to be specific, a model called “m3 mini”. I opened it up and found the battery was puffed, the driver was popped. It was small in size and I decided to fix it. I got a 2 (approximately) woofer from an old speaker, and I connected it to the board, soldered on a missing capacitor and then replaced the battery, and boom, it was in life. The sound was good but I thought it lacked bass, I added another magnet behind the stock magnet of the same size, then I tried it. It was literally perfect! And I made a diy case with cardboard (my family and i aint got a computer/laptop or 3d printer to design or print one) and finally, it’s finished!