One 10 High Power 4 Ohm Subwoofer Built-In High Output Amplifier Electroplated Polypropylene Cone Specially Treated Black Rubber Edge Suspension 2 Aluminum Voice Coil Bass Reflex Vent for Added Sub-Bass Response High Quality Vinyl Wrapped Construction 500 Watts Max Power Handling RCA/Speaker Line Input Frequency Response: 30Hz-700kHz Dime...