Legacy LM57 5.25" 120 Watt Carbon Injected Midrange Speakers (Pair) 5 Round Frame Sealed Basket Design For Use In Multi Speaker Cabinets Eliminating The Need For Separate Midrange Compartments Carbon Injected Polypropylene Cone 15 Oz. Magnet With 30 Oz. Magnet Structure Impedance: 4 Ohm