PYLE PLTB10 10-Inch 500 Watt Carpeted Subwoofer Tube One 10'' High Power 4 Ohm Subwoofer Blue Polypropylene Cone Specially Treated Black Rubber Edge Suspension 2'' Aluminum Voice Coil Bass Reflex Vent for Added Sub-Bass Response High Quality Carpeted Construction 500 Watts Max Power Handling Frequency Response: 30Hz-700Hz Dimensions: 13.6'' Diam. x 19.5'' Length Sold as : Unit One 10'' High Power 4 Ohm Subwoofer - High Quality Carpeted Construction Blue Polypropylene Cone - 500 Watts Max Power Handling Specially Treated Black Rubber Edge Suspension - Frequency Response: 30Hz-700k Hz 2'' Aluminum Voice Coil - Dimensions: 13.6'' Diam. x 19.5'' Length Bass Reflex Vent for Added Sub-Bass Response