Dual Electronics LU53PB 3 Way Indoor Outdoor Studio SpeakersManufacturers Specifications:2 Speakers IncludedFrequency Response: 70Hz-20kHzWoofer: 5 1/4" Polyelite PVA SurroundMidrange: 1.6" Polypropylene ConeTweeter: 0.78" Piezo DomeSensitivity: 86 dBNominal Impedance: 4 Ohms125 Watts Peak Power - 60 Watts RMS