One 12"" High Power 4 Ohm Subwoofer - 2"" Aluminum Voice Coil - Dimensions:15.4"H x 22.8"W x 13.8"D * Built-In High Output Amplifier - Bass Reflex Vent for Added Sub-Bass Response * Blue LED Light Behind The Grill - High Quality Vinyl Wrapped Construction * Silver Electroplated Polypropylene Cone - 800 Watts Max Power Handling * Specially Treated Black Rubber Edge Suspension - RCA/Speaker Line Input * One 12-Inch High Power 4 Ohm Subwoofer * Built-In High Output Amplifier * Blue LED Light Behind The Grill