Model: MW-1522 ?Power Rating: 80 Watts R.M.S / 160Watts Peak ?Sensitivity: 90?dB (1W / 1M) ?Impedance:4Ω ?Fo:36?0% Hz ?Frequency Response: Fo-5KHz ?Voice Coil: 2?AL ?Magnet: 30 oz, 113 x 62 x 22 mm ?Frame: Steel, Black color ?Cone: Paper ?Edge: Foam