Pyle PDBT35 1-Inch Titanium Super Tweeter 1'' Titanuim Diaphram Super Tweeter 250 Watts RMS / 500 Watts Peak - 1 High Temperature Kapton Voice Coil Ferro Fluid Enhanced Voice Coil Sensitivity: 108dB - Frequency Response: 2kHz~22kHz 4-8 ohm Impedance - 2.25'' Diameter - 2.75'' Deep Die Cast Aluminum Frame 500 Watts Max Frequency Response: 2kHz-22kHz