Product typeHigh-frequency DriversNominal Diameter1 ", 25.4 mmVoice Coil2 ", 50.8 mmOverall diameter98.3 mmPitch Circle Diameter228.6 mmDepth44.5 mmNominal Impedance8 Ohm(s)Nominal Load Capacity50 WSensitivity (horn 1 W / 1 m)109Frequency response1500 - 20000 Hzrecommended crossover frequency1500 HzVoice Coil CarrierPolymideDiaphragm materialTitaniumMagnetNeodymiumRecommended hornEH2EAThreaded connector1 3/8" 18 UNEF ext.Mounting holes2Diameter of fixing holes1/4-20Pitch Circle Diameter (bolt on)76.2 mmWeight1 kg