ETON HEX 165 – 16.5 cm (6.5\") woofer-midrange speaker The next evolutionary stage of the legendary, patented ETON HEXACONE cone technology: the 165 mm (6.5\") high-end system offers top performance for sound lovers. A newly developed sandwich cone consisting of a 3D hex honeycomb structure embedded in two layers of fiberglass fabric, it is elaborately manufactured. The HEX cone is high-strength, extremely lightweight, and excellently damped. Each individual HEX cone is additionally hand-coated with a specially developed coating. This additional layer dampens resonances on the cone surface and