The file contains detailed sound system models. You can use these models for your concert, festival and event projects. In addition, some of these models are companies' own product detailed models. You can easily use the material palette for project color change. However, the specified number of polygons is valid for all of them in total. The number of polygons is lower compared to the model. I also offer you printouts in extra formats;
obj, stl, 3ds, fbx