PYLE PLTB8P 8-Inch 400 Watt Passive Nitrous Tank Looking Subwoofer Tube One 8'' High Power 4 Ohm Subwoofer High Quality Poly Mica Cone Non-Fatiguing Butyl Rubber Surround 2'' High Temperature Aluminum Voice Coil Bass Reflex Vented for Added Sub-Bass Response High Quality Plastic Construction 60 oz. Magnet Structure Power Handling: 200 Watts RMS /400 Watts Peak Frequency Response: 45-2KHz Impedance: 4 Ohms Includes Plastic Mounting Bracket, Wires and Installation Hardware Dimensions: 10'' Diameter x 26'' Length Sold as : Unit One 8'' High Power 4 Ohm Subwoofer - High Quality Plastic Construction - Includes Plastic Mounting Bracket, Wires and Installation Hardware High Quality Poly Mica Cone - 60 oz. Magnet Structure - Dimensions: 10'' Diameter x 26'' Length Non-Fatiguing Butyl Rubber Surround - Power Handling: 200 Watts RMS /400 Watts Peak 2'' High Temperature Aluminum Voice Coil - Frequency Response: 45-2KHz Bass Reflex Vented for Added Sub-Bass Response - Impedance: 4 Ohms