Rockville W8T4-S2 8" 1000 Watts Peak/500 Watts Program/250 Watts RMS CEA-2006 Compliant 2-Ohm Shallow Mount Car Subwoofer 8” 1000 Watt 2-Ohm Shallow Mount Car Subwoofer. Power Handling: 1000 Watts Peak Power / 500 Watts Program / 250 Watts RMS (CEA Rating). Ultra Stiff Paper Composite Cone. 3D Molded High Gloss Acrylic Dust Cap. Ultra Slim, Expanded and Rolled Steel Basket. High Density Laminated Butyl Rubber Surround. High Power Strontium Magnet with Ultra Saturated, High BL Motor Gap. Vented Core Magnet Motor Structure. High Temperature Aluminum Voice Coil Former. Lightweight Compact Design Ideal for Any Installation. Magnet Protection Rubber Band. Dual Nickel Plated Spring Loaded Push Terminals. Shallow Mount Subwoofer. Impedance: SVC 2 Ohm. Cutout Diameter: 7 Inches. Mounting Depth: 2.5 Inches. Frequency Response: 39 Hz to 500 Hz. Sensitivity: 90dB @ 1w/1m. Voice Coil: 1.5” High Power Voice Coil. Magnet Structure: 64 oz. Washer/Yoke Plates: 6mm Machined Steel. X-Max: 8.4mm Peak-to-Peak The Rockville W8T4-S2 subwoofers feature a 2-Ohm single voice coil. These subwoofers are engineered to deliver serious low frequency response where space is limited. Whether installed behind the seat in a compact car, pick-up truck or in a motorcycle's saddlebags, make no mistake Rockville T4 subs will rock you! The Rockville W8T4-S2 is CEA-2031 compliant and rated with an amazing 1000 watts peak and 250 watts RMS. That means you are getting 100% accurate RMS power ratings. These days lots of brands have competitions over how many thousands of watts they can write on the box of their items.