Boss Audio MRWT69 6 x 9 4-way Waketower Speaker SystemBoss Marine waketower speaker systems are built to deliver superior performance in the toughest conditions. Polypropylene cones and rubber surrounds are impervious to moisture. A blast of salt water will not hurt these speakers. A protective coating is applied to block UV rays maintaining material integrity and keeping the speakers looking new.Marinized EnclosureMRWT69 6 x 9 4-way Waketower Speaker System Features:Power Handling, Peak: 550 wattsMagnet Structure: 80 OzImpedance: 4 OHMFrequency Response: 40HZ-20KHZSpl 1 watt/1 meter: 95dBCone Material: Metallic InjectionVoice Coil: 1-1/2 AluminumTweeter: 2x1 Mylar DomeGrilles: MetalFerro Fluid Enhanced: YesFits 2 to 3 wake tower pipes*Sold as an Individual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.