CTX69 - Image Dynamics 6"x9" 2-Way Car Speaker with Silk Tweeters Mica-polymer composite cone | Butyl rubber surround | Edge-wound voice coil | Thermally-conductive voice coil former Silk dome tweeter | Neodymium tweeter magnet | Integrated crossover with tweeter protection | Removable rubber magnet boot | Mounting hardware & grilles included Size: 6" x 9" | Sensitivity: 90 dB | Frequency Response: 48-22,000 Hz | Recommended RMS Power: 100W | Peak Power Handling: n/a | Impedance: 4 ohms