Kassett speaker Kassett speaker from Mikael Persson Hill Kassett speaker Portable speaker, sketch and animation. Made at FH Aachen, summer 2012. Sketch made in SketchBook Pro Kassett speaker Portable speaker, sketch and animation. Made at FH Aachen, summer 2012. Industrial Design 3D Modeling Share R 7 n Mikael Persson Hill Product developer Bollebygd, Sweden Follow Contact