Alpine W10S4 10" S-Series Subwoofer - 4 Ohm Alpine knows that bass is essential for car audio enthusiasts, and they’ve designed a subwoofer that delivers powerful performance while staying budget-friendly. OverviewSize: 10" Single 4Ω SubwooferCone Material: Polypropylene and mica cone with a poly-foam surroundPower Handling: 250W RMS / 750W PeakFrequency Response: 24Hz - 200HzMounting Depth: 5-1/16 inchesRecommended Enclosure Volumes:Sealed: 0.83 cu. ft.Ported: 1.51 cu. ft. Bass for EveryoneThe 2017 BASS series subwoofers are designed to be both fun and loud, combining retro-inspired styling with incredible efficiency. Built for 250W RMS, they bring powerful bass without breaking the bank. Performance: Efficiency and Tight BassAlpine's optimized magnet circuit focuses magnetism in the gap, boosting efficiency for tighter bass control and enhanced output. This ensures you get dynamic, responsive bass that hits hard and performs consistently. Experience the perfect balance of quality, performance, and value with Alpine’s budget-friendly subwoofer. Car Toys thoughts on the Alpine W10S4If bass is what you are after, the Alpine W10S4 delivers. This 10” subwoofer efficiently delivers loads of bass on only 250 watts RMS. The Polypropylene and mica cone with poly-foam surround provides all the lows that you need in a budget friendly package.