Specs:600 Watts Max Power per pair / 300 Watts each200 Watts RMS Power per pair / 100 Watts eachImpedance: 4 Ohm each tweeterSensitivity: 105 dBFrequency Response: 2,000 – 23,000HzAluminum Diaphragm with a 1″ voice coilRecommended High Pass Filter on TPT-SP4BT DSP, Based on Power per Tweeter7500 Hz under 150 Watts of Amplifier RMS Power with 18dB Slope6000 Hz under 100 Watts of Amplifier RMS Power with 12dB SlopeSizing:Mounting Depth: 1.39”Mounting Cutout Diameter: 2.87″ + TerminalsOverall Size: 3.85′ diameter x 1.75″ HeightWeight: 1.32 Lbs each tweeter