The model of speaker is made in blender 2.8, every piece of speaker is a separated object, it contains it's own materials, no third-party renderer or plug-ins needed.
STL (Stereolithography, filesize: 1.36 MB), OBJ (OBJ, filesize: 1.83 MB), BLEND (Blender, filesize: 2.59 MB), ABC (Alembic, filesize: 1.2 MB), FBX (Autodesk FBX, filesize: 736 KB), DAE (Collada, filesize: 3.67 MB)