The shutdown sequence is just the opposite. If you want to turn off the power amplifier, other equipment can be turned off at will!
The reason for this is the following:
Users often hear the thumping sound when turning on and off the machine, that is, the pulse impact sound generated by not turning off the machine in the normal shutdown order. This DC signal is not good for sound at all. Considering the safety of the equipment, it is recommended to follow the above shutdown sequence.