Pair of real wood bookshelf speakers with all MDF construction and resonance-free enclosures * Equipped with one 6.5-inch dynamic balance mineral/polymer composite cone driver * Features Power Port technology to reduce "chuffing" or "port noise" * Equipped with one 1-inch silk/polymer composite dome tweeter * Features a neodynium magnet, low viscosity ferro-fluid cooling, and a heat sink on the back of the magnet