The CP-IW460X features Monitor Audio’s signature C-CAM (Ceramic-Coated Aluminium/Magnesium) cone material with RST (Rigid Surface Technology) deployed in dual 6.5" bass drivers and twin 4" mids astride a high frequency, air motion ribbon tweeter in a symmetrical ‘B-M-T-M-B’ configuration. All within a cast polymer cabinet with die-cast Aluminium baffle.