A:Answer Although you are explaining that you are using in an indoor like environment, but actually a patio is an outdoor location, and the humidity will always be at a range that is not possible to achieve indoors. Therefore, I would not consider this machine to be suitable for your purpose, however, based on what I see, and the content of the subwoofer during a break down Analysis that I saw in YouTube, I think it should be able to handle most humidity, since it is mostly plastic parts, and very few metal parts that can corrode in high humidity. However, I did not see the electronic component of en cased in the specialized humidity - proof box, so I would expect the life expectancy of this to be much lower than average if you were to leave it in a patio, even though it is covered from rain.