Quad 8-inch 3, 200 Watt Max Power Ported Front-firing Loaded Subwoofer Enclosure ^^ Compatible with 2017-2025 Ford Super Duty (F-250/350/450) SuperCrew Cab Trucks ^^ Features x4 Skar Audio SVR-8 D2 (dual 2-ohm) 8" 800 Watt Max Power Subwoofers ^^ Subwoofers Come Loaded and Pre-wired to a 1-ohm Final Impedance Load at the Terminal Wiring Cup ^^ Deep & Responsive Bass Output ^^ Finished in a Premium Automotive Grade Black Trunk-liner Carpeting