Sound Storm Laboratories STW10 Micro Flush Mount 0.5-Inch 120 Watts Neodymium Dome Tweeter - Black Micro Flush Mount 1.5" Neodymium Dome Tweeter, 120 Watts Peak power handling 120Wimpedance 4 ohm Frequency Response: 5kHz-20kHzSPL 1 watt/meter 94 dB Mounting surf/angleinline crossover network yes Ferro fluid enhanced yes other features 2 mounting kits Frequency Response 5kHz-20kHz SPL 1 watt/meter 94 dB Inline Crossover Network Ferro Fluid Enhanced Surface or Angle Mounting