...Even if it is just a prototype. In fact, it's a student's project from a Krakow fine arts university, which just goes to show that some of the best designs don't necessarily come from the R&D labs of tech companies.
Made from stainless steel and aluminum, the amplifier houses the various components in individual compartments, to avoid any possible electromagnetic interference. I'm not sure about the tech behind it—after all, this is just a prototype—but Mateusz Główka looks to be on the right career path. [Mateusz Główka via Yanko]