Ok, so let's have a look inside.

Now the speaker is in the metal part, with some rubber covering it. The good news is, nothing is glued, or very little.

This is the speaker, with the rubber still on. Very small thing for such high quality sound! We're gonna get the rubber off in a minute.

Here's the nude speaker. I didn't want to dig deeper than this, I was planning on using this speaker after this.