Power handling: Peak 150WMagnet structure: 30 OzImpedance: 4 OhmFrequency response: 120Hz-18KhzSpl 1 Watt/1 Meter: 90DbCone material: Poly injectionVoice coil: 3/4" AluminumTweeter: 1" Mylar domeGrilles: PlasticSold in pairs