DS18 6X9" Marine SpeakerNominal Diameter 6X9" / 152.4 x 228.6 mmNominal Impedance 4 ohmsRMS Power Handling 125WMAX Power Handling 375WSensitivity (1w/1m) 92dBFrequency Response 40Hz-20KHzRecommended HI Pass Crossover60HzBODY / FEATURESUV Compliant Yes, 100% StableMarine Grade TypeIP65RGB LED Yes, RGB integratedGrill Type Injection Molded Composite ASA with UV Protection coating Pair YesWOOFER SPECIFICATIONSVoice Coil Diameter 1.4" / 35.5 mmVoice Coil Former Material KaptonWinding Material CCAWCone Material Injection Molded Polypropylene + UV CompliantSurround Material Butyl (Rubber) Basket Material High Temp Injection Molded Composite with UV Protection coatingMagnet Material Ferrite (Y35) + Neodymium (N35) Magnet Weight24oz + 0.75 ozTWEETER SPECIFICATIONSVoice Coil Diameter1" / 25.4 mmVoice Coil Former Material KaptonWinding Material CCAWDiaphragm Material PENMagnet Material Neodymium (N38H) Magnet Weight 0.51 ozMEASUREMENTOverall Diameter 7.4" x 10.2" / 189x260mmOverall Depth 5.52" / 115mmFront Mount Baffle Cutout 8.6" x 5.9" / 220x150mmMounting Depth 3.11" / 79mm