Boss Audio 6x9in 4-Way Wake Tower 550W Speaker Black. Features/Specifications: Marinized Enclosure Power Handling - Peak 550W Magnet Structure - 80 Oz Impedance - 4 Ohm Frequency Response - 40Hz-20Khz Spl 1 Watt/1 Meter - 95 Db Cone - Material Metallic Injection Voice Coil - 1-1/2" Aluminum Tweeter - 2X1" Mylar Dome Grilles - Metal Ferro Fluid Enhanced - Yes Specifications for Boss Audio 6x9in 4-Way Wake Tower 550W Speaker: Manufacturer: Boss Audio Color: Black Additional Features: 550 Watts Features of Boss Audio 6x9in 4-Way Wake Tower 550W Speaker: Marinized Enclosure Power Handling - Peak 550W Magnet Structure - 80 Oz Impedance - 4 Ohm Frequency Response - 40Hz-20Khz Spl 1 Watt/1 Meter - 95 Db Cone - Material Metallic Injection Voice Coil - 1-1/2" Aluminum Tweeter - 2X1" Mylar Dome Grilles - Metal Ferro Fluid Enhanced - Yes Package Contents: Boss Audio 6x9in 4-Way Wake Tower 550W Speaker Boss Audio MRWT69: 6x9in 4-Way Wake Tower 550W Speaker Black