The pressed-paper cone and the butyl rubber suspension offer an extended low frequency response and an impressive punch. The Mille-inspired design basket features a dampened and protective rubber coated magnet. The grille, available as optional, is made up of a durable high resistance ABS frame and metallic mesh protection. Frequency response: 45 ÷ 22kHz.Tweeter voice coil: 0.8. Woofer magnet: High density flux ferrite. You will be issued a Return Authorization Number. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product.