8910T 70/25V 8910T 70/25V 8″ Dual Cone Speaker 10 oz. ceramic magnetFrequency range: 60-16,500 HzImpedance: 8 ohms (RMS)1” voice coilPrestamped basket for easy transformer mountNominal power: 15 wattsMaximum power: 20 wattsSound pressure: 98dB (1W/1M)