1.5” Titanium Super Tweeter – Die Cast Aluminum Frame – 1.5” High Temperature Kapton Voice Coil – 60 oz. Magnet Structure Weight – 400 Watts Peak Power – 4-8 Ohms Impedance/Ferro Fluid Enhanced – Sensitivity: 105dB – Frequency Response: 2k-25kHz – Single Pack in Gift Box – Crossover Capacitor Included – 4” Diameter/2.5” Mounting Depth