I have recently been requested to service a Bose PM 4250 amplifier in one of our rooms. I cannot locate any paperwork for it and I am in need of making some adjustments but the unit is locked with a 5 digit code. Can you please assist me with getting the device unlocked?
thank you
Hello, I am not familiar with this unit but have you tried the Bose software?
i have the same problem
cansomebody help me to get out the code