5.25-inch 2-way reference center channel loudspeaker, beautiful multilayer piano lacquer finish, process that takes 1 full week to produce. Butyl rubber surround provides excellent cone control and exceptional durability. 1/4-20 threaded insert allows for pivot bracket mounting. Automatic overload protection circuit. Video shielding allows placement near TV without interference. Metal grille fasteners for enhanced durability. Gold plated binding posts for high quality and secure connection. 12-year transferable warranty on parts and labor. Designed in the USA.