Dual 4-inch 5-element 3-way reference floorstanding tower loudspeaker, beautiful multilayer piano lacquer finish, process that takes 1 full week to produce. Dedicated midrange drivers for superior clarity and detail. Butyl rubber surround provides excellent cone control and exceptional durability. Solid brass isolation cones for optimal bass response. Automatic overload protection circuit. Metal grille fasteners for enhanced durability. Gold plated binding posts for a high quality and secure connection. Gold plated binding posts for a high quality and secure connection. 12-year transferable warranty on parts and labor. Designed in the USA.