Ok so I took out the assembly housing, yes the speaker has molded plastic around it.
I noticed tabs on the edges and pressed them in (really hard) and turned the speaker and out she popped.
Got a new 4" speaker and the tabs lined up perfectly and rotated the speaker in and screwed it down through the plastichousing. There is a 3/32" gap between the housing where the old speaker was and filled up the gap with foam piping and voila! Sound system rocking again.
