How to put away power amplifiers and speakers that have not been used for a long time?

For the speaker, it is not used for a long time. Electronics, that is, power amplifier, no problem.

But mainly speakers, many of which are made of wood materials, are easy to get wet. In addition, the sound box drum paper of the sound box will be wet or oxidized for a long time, and the material will be damaged. You can't achieve the ideal sound quality after using it again. What's more, the horn will be slightly demagnetized for a long time, but it is generally small.

Still well packed and well sealed. It's best to keep it dry.