Features: Woofer Cfrp (Carbon Fiber Reinforced Plastic) Cone With Spezialised Rubber Surround Hamr (High Amplitude Multi-Roll) Surround Large 35Mm Voice Coil Magnet Material: Ferrite Grill Sold Separately: Kte-S65G Tweeter Tweeter Type: 1" Wide-Range Silk Dome Magnet Material: Neodymium Crossover Network Grade: 2Nd Order Network Design Specifications: Power Handling Peak Power: 240 Watts Rms Power: 80 Watts (Cta-2031 Compliant) Dimensions Woofer Frame 165 Mm Mounting Depth: 57.7 Mm Mounting Height: 19.5 Mm Magnet: 90.0 Mm General Frequency Range: 70 Hz - 22 Khz Impedance: 4 Ohms Sensitivity: 88 Db/W