grado the hemp headphone limited editionIn Grados endless pursuit of experimenting with all kinds of wood materials, the opportunity arose to build with hemp. Grado was not sure how these headphones would turn out, but to everyones surprise, they quickly became a favorite. To be honest, this is one of the best sounding Limited Editions Grado has built. The highly compressed hemp creates a damping effect between their fibers. This produces a fuller sound, comprised of a noticeable low end