Model：MW1543-3 ?Power Rating: 125 Watts R.M.S / 250Watts Peak ?Sensitivity: 94?dB (1W / 1M) ?Imdepance:8Ω ?Fo:35?0% Hz ?Frequency Response: Fo-3KHz ?Voice Coil: 2.5?Kapton ?Magnet: 50 oz, 156 x 80 x 20 mm ?Frame: Steel, Black color ?Cone: Paper ?Edge: Cloth