Pyle-Pro PDBT49 2&#39;&#39; Heavy Duty Titanium Super Tweeter 2'' Titanuim Diaphram Super Tweeter - 40 oz. Magnet 300 Watts RMS / 600 Watts Peak - 2 High Temperature Kapton Voice Coil Ferro Fluid Enhanced Voice Coil - Mylar Crossover Capacitor Included Sensitivity: 106dB - Frequency Response: 2kHz~25kHz 4-8 ohm Impedance