If you lay thin strips of silicone or at least electrical tape between the halves of the body, then the resonance goes away and the keyboard sounds much better. Got pros: Good keyboard with hot-swap and open firmware for beginner enthusiasts, but has quite a strong metallic resonance when typing out of the box Has some cons: Despite the amount of noise isolation in the case, the case resonates when printed. The promotional information indicates that the switches are lubricated from the factory, but there is so little lubrication that it is almost imperceptible.