My Mk2.5s printer is quieter than my Mk3s!
For Prusa MK2/2.5/S Silent Driver Upgrade Board
The PCB is quite good quality and it was simple to follow the instructions and get everything working. I even went a step further and used a 12V -> 24V DC-DC converter to optimize the motors further:
BigtreeTech TMC2209 driver kit: https://amzn.to/3DHqccd
12V->24V DC-DC converter: https://amzn.to/3pQtzdv
