We’ve been enamored with Hannes Harms for a while now, but his latest design might just be his best yet: the recent RCA grad was able to “reduce material, volume and components through flat electronics” to create a flat boombox. The personal audio solution consists of a perforated sheet of acid-etched stainless steel… and apparently not much more than that, thanks to the flat speaker component. In other words, it’s something like a speaker grille without a discernable driver or speaker cone.

“For this speaker, I decided to focus on the idea of the flatness of future electrical components. I wanted to reduce manufacturing processes as well as material and volume. This speaker is made out of a flat sheet of 0.5mm stainless steel, holding a flat speaker component in place. [Thus,] the shipping volume is limited to a flat envelop-fitting package. Once received by the user, the flat sheet can be easily bent in scored lines as a home assembly.”