Boss Audio MRWT69 6" x 9" 4-way Waketower Speaker System WhiteBoss Marine waketower speaker systems are built to deliver superiorperformance in the toughest conditions. Polypropylene cones and rubbersurrounds are impervious to moisture. A blast of salt water will not hurtthese speakers. A protective coating is applied to block UV raysmaintaining material integrity and keeping the speakers looking new.*Marinized EnclosureMRWT69 6" x 9" 4-way Waketower Speaker System Features: Power Handling, Peak: 550 watts Magnet Structure: 80 Oz Impedance: 4 OHM Frequency Response: 40HZ-20KHZ Spl 1 watt/1 meter: 95dB Cone Material: Metallic Injection Voice Coil: 1-1/2" Aluminum Tweeter: 2x1" Mylar Dome Grilles: Metal Ferro Fluid Enhanced: Yes Fits 1.5" to 2.5" wake tower pipesWARNING: 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.