{"product_id":"sundown-car-audio-2000w-peak-dual-voice-coil-x-v-4-series-8-subwoofer","title":"Sundown Audio X Series V.4 8\" 1250W RMS Dual 2-Ohm Subwoofer X-8 V.4 D2","description":"\u003cul\u003e\n\u003cli\u003e1250W RMS Compact Powerhouse: Delivers serious bass output from an 8 inch subwoofer, perfect for high-performance daily and SPL builds\u003c\/li\u003e\n\u003cli\u003eExtreme 19mm Xmax Excursion: Deep, controlled low-frequency response with over 2.4 inches peak-to-peak movement\u003c\/li\u003e\n\u003cli\u003eDual 2 Ohm System Flexibility: Ideal for wiring to maximize amplifier efficiency in compact high-output systems\u003c\/li\u003e\n\u003cli\u003eFEA-Optimized Suspension Design: Improved spider and surround for better control, durability, and low distortion at high power\u003c\/li\u003e\n\u003cli\u003eTriple-Stacked Motor with Shorting Ring: Enhances output, reduces distortion, and maintains clean bass under heavy load\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSundown Audio X Series V.4 8\" 1250W RMS Dual 2-Ohm Subwoofer X-8 V.4 D2\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis listing includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) Sundown Audio X Series V.4 8\" Dual 2-Ohm Subwoofer\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThe Sundown Audio X-8 V.4 D2 redefines what is possible from a standard cutout 8-inch subwoofer. Designed for extreme output in compact systems, this subwoofer delivers 1250 watts RMS and 2500 watts peak, making it a top-tier choice for high-performance daily drivers and competition-grade SPL builds.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe V.4 generation represents a major leap forward from previous X-8 models, featuring a carefully FEA-optimized spider and surround system that dramatically improves linear excursion, control, and reliability at high power levels. With approximately 19mm of linear one-way Xmax and over 2.4 inches peak-to-peak excursion, the X-8 V.4 D2 delivers deep, controlled bass well beyond what most 8-inch drivers can achieve.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eAt the heart of the subwoofer is a massive triple-stacked motor assembly, paired with a 2.5-inch high-temperature voice coil and a hyper-extended pole design for maximum motor strength and thermal stability. An integrated aluminum magnet ID shorting ring minimizes inductive distortion, ensuring clean, accurate bass even at extreme output levels.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eCompatible with sealed, ported, and 4th-order enclosures, the X-8 V.4 D2 is engineered for builders who demand maximum performance from minimal space.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e1250W rms high output\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e2500W peak power handling\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003edual 2 ohm voice coil\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e19mm xmax high excursion\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003etriple-stacked motor design\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e2.5-inch high-temp voice coil\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003efea optimized suspension\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003elow distortion performance\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ecompact high-output design\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eworks in sealed and ported boxes\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications – X Series V.4 8\" Dual 2-Ohm\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power Handling: 1250W\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePeak Power Handling: 2500W\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNominal Impedance: Dual 2 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDC Resistance (Re): 3.6 Ohm\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoice Coil Diameter: 2.5\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSensitivity (1W\/1m): 80.1 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eXmax (One-Way): 19mm\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThiele \u0026amp; Small Parameters\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eFs: 41.299 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVas: 4.126 L\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQes: 0.436\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQms: 1.941\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eQts: 0.356\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBL: 21.576 NA\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMms: 215.153 g\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCms: 68.389 um\/N\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Recommendations\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eSealed Enclosure\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eVolume: 0.30 – 0.40 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003ePorted Enclosure\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eVolume: 0.75 – 1.0 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRecommended Tuning: 32 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRecommended Port Area: 12 – 16 sq in\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e4th Order Enclosure\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eSealed Side: 0.20 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePorted Side: 0.80 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Area: 16 sq in\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePort Length: 8\"\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eOutside Diameter: 8.71\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCutout Diameter: 7.32\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMounting Depth: 7.56\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMotor Diameter: 6.88\"\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDriver Displacement: 0.13 cu ft\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":47730004984056,"sku":"SD-X-8-V4-D2","price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/1fa508bce9ffaf5013b83d56ad8bd94eaa5eee4c862777c7198883c1b9ba5ca4.jpg?v=1775848532","url":"https:\/\/bigjeffaudio.com\/products\/sundown-car-audio-2000w-peak-dual-voice-coil-x-v-4-series-8-subwoofer","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}