Feature●ABS Housing for Durability, Strong heat resistance, Strong impact resistance.●25mm Silk Dome Diaphragm. 20mm CCAW Voice Coil.●Impedance: 4 Ohms●Power(per pair): 50W RMS / 100W MAX●Frequency Response: 3.5KHz - 20KHz. Sensitivity: 92dB @ 1W / 1MDescription Blaupunkt TW1G 1" Silk Dome Neo Magnet Tweeter. Strong Neodymium Magnet. 2 Way Mount System: Flush or Angle. Overall Depth: 24mm (0.94"). Mounting Depth: 18mm (0.71"). Cutout diameter: 39mm (1.54")