Features 3″ (63.5mm) Voice Coil Neodymium M-Ring Magnet Assembly Optimized for High Output SQ Sound Systems Weather Resistant Carbon Fiber Cone with Rubber Surround Specifications Power Handling: 800 Watts Dynamic Wattage: 1600 Watts Resonant Frequency (fs): 78.70 Hz D.C. Voice Coil Resistance (Re): 3Ω Mechanical Quality Factor (Qms): 4.04 Electrical Quality Factor (Qes): 0.96 Total Quality Factor (Qts): 0.77 Compliance Equivalent Volume (Vas): 12.06 L Mechanical Compliance (Cms): 70.46 mm/N Sen