Professional quality tweeter with heavy die-cast aluminium housing fitted with powerful high temperature Titanium voice coil. Features: Diecast Aluminium Frame High Temp Titanium Voice Coil Max Power: 150W RMS Power: 75W Impedance: 8 ohms Magnet Weight 8 oz Voice Coil 25mm (1 inch) Freq Response 1.5KHz - 20KHz Weight: 726 grams Dimensions: 80 x 80 x 65mm