1" Titanium Super TweeterDiamond Chrome Cutting Finish Die-Cast Aluminum Frame 1" High Temperature Kapton Voice Coil 30 oz Magnet Structure 150 Watts RMS/300 Watts Peak 4-8 Ohms Impedance Ferro Fluid Enhanced Voice Coil Sensitivity: 104dB Frequency Response: 2kHz - 20kHz Mylar Crossover Capacitor Included 3.125" Diameter - 2" Mounting Depth