DS18 PRO-CF 69.4NR 6 x 9" Water Resistant Loudspeaker - Mid-Bass Carbon Fiber Cone and Neodymium Rings Magnet 500 Watts 4-OhmsThe PRO-CF series has an enormously wide variety of applications! We designed these to be water-resistant, so you can use these not only in cars, but boats, motorcycles, off-road, or even beyond! SPECIFICATIONSNominal Diameter 6x9" / 152x228mmNominal Impedance 4 ohmsRMS Power Handling 300WMAX Power Handling 600WSensitivity (1w/1m) 95dBFrequency Response 63Hz-12KHzRecommended HI Pass Crossover 80HzPair or Single SingleGrill Included NoMOTORVoice Coil Diameter 2" / 50mmVoice Coil Former Material KaptonWinding Material CCAWCone Material WP Carbon FiberDust Cap Material WP Carbon FiberSurround Material RubberBasket Material SteelBasket Color/Finish Gloss BlackMagnet Material Neodymium RingsMagnet Weight 0.3K gMEASUREMENTOverall Diameter 6.48 x 9.29" / 164.5 x236mmOverall Depth 3.44" / 87.5 mmFront Mount Baffle Cutout 5.94 x 8.58" / 151x218mmMounting Depth 3.25" / 82.5 mmMotor Diameter 4.45" / 113mm