DOME TWEETER HIFINE HI-H6 SERIES 25MM 100 WATT FEATURES : 1. Flush/Angle/Surface Mounting 2. Ferrofluid Cooling 3. Neodymium Magnet Super silk dome specifications : 1. Material : Alumunium 2. VC Size: 25mm 3. Power Handling : 100 watts Max 4. Nominal Impedance : 4-ohm 5. Frequency Response : 1k-20k 6. Sensitivity (1W / 1M) : 92 dB 7. Efficiency : 92dB 8. Impedance : 4 OHM