Even though this has nothing to do with speakers, but these shapes had inspired me that simple shapes also looks nice and creative. The use of color in this image is also very good because each different thing has its own color which made it very clear to see. When I am designing my product I should use the idea of simple shapes and simple colors to show the different parts of my speaker.
This is a nice set Of 12 Free Icons – World Landmark – These line icons represent some of the most famous landmarks of the world. They are available in multiple formats and can be used in your apps, web templates, prints, etc. They’re totally free to download!