As a result of biomimetic study, this transformable speaker allows a user to adjust sound by altering the shape of it. Research showed that bat has evolved its ears and nose according to different environment and food. From the research, it was driven that shape influence sound and this principle became the concept. Each small module is connected with rubber at the end, sustaining balance and providing flexibility of movement. Simply by pulling or pushing some part, shape and the tune can be changed. This is targeted to sophisticated listeners who loves to adjust details of sound.