Throat Diameter: -Type: Super TweeterRated Power Handling: 60 WattsProgram Power: 120 WattsSensitivity 2.83V @ 1M: 105 dBFrequency Range @ -10Db: 4,500 - 20,000 HzMin. Crossover Point @ 12Db/Oct: 5,000 HzVoice Coil Diameter: 1"Nominal Impedance: 8Magnet Material: FerriteDiaphragm Type: TitaniumWeight: 1.32 LbsReplacement Diaphragm: RPTW350Ti