Product typeHigh-frequency DriversNominal Diameter2 ", 50.8 mmVoice Coil2.91 ", 74 mmOverall diameter170 mmPitch Circle Diameter102 mmDepth66 mmNominal Impedance8 Ohm(s)Nominal Load Capacity90 Wmaximum rated load180 WSensitivity (horn 1 W / 1 m)108Frequency response500 - 18000 Hzrecommended crossover frequency900 HzVoice Coil CarrierKaptonDiaphragm materialTitaniumMagnetFerriteMounting holes4Diameter of fixing holesM6Weight4,6 kg