A Dahlquist M-905 stereo speaker. These are the speakers we have in our TV room, and I was bored, so I decided to model one. The cover is off, revealing the cones underneath; however, an optional cover is included in the blend file.
I've also made a low-resolution version of the model: https://skfb.ly/owXou
Modeled in Blender and textured in Substance Painter