Hi augustya, for some reason your post kept getting flagged as spam. I saved them, but deleted most of the duplicates.
Let's all try to keep thing friendly. There are a bunch of posts here that are against our code of conduct on the board, but for the moment I'm leaving them for the sake of the conversation.
I would like to add that the measurements are largely diameters here, it's made horizontally, but the woofer is circular.
You can see an exploded view of the PLAY:5 without its covering here.

Mark good posts by pressing the like button, and select the best answer on questions you've asked to help others find solutions.