{"product_id":"sundown-audio-xv4-18-inch-3000w-subwoofer-dual-1-ohm-x-series","title":"Sundown Audio XV4 18-Inch 3000W Subwoofer – Dual 1 ohm X Series","description":"\u003cdiv class=\"elementToProof\"\u003e\n\u003cp data-start=\"1302\" data-end=\"1635\"\u003eThe Sundown Audio XV4 18-inch Subwoofer is engineered for extreme bass enthusiasts who demand powerful low-frequency impact with clean, controlled output. Built using Sundown’s high-grade X v.4 coil platform, this massive driver handles 3000W RMS and up to 6000W peak power without distortion, even during long, high-output sessions.\u003c\/p\u003e\n\u003cp data-start=\"1637\" data-end=\"1947\"\u003eWith a huge 113.41 square inch cone area and a rugged 9.25-inch motor structure, the XV4 18-inch moves a tremendous amount of air, delivering deep, authoritative bass that fills your cabin and hits with serious force. Its 30mm Xmax ensures long, linear excursion for exceptional accuracy and low-end extension.\u003c\/p\u003e\n\u003cp data-start=\"1949\" data-end=\"2313\"\u003eThe XV4 18-inch thrives in a 7.00 cubic foot ported enclosure tuned to 32 Hz, but it also works well in advanced bandpass designs for builders targeting maximum SPL and output. Engineered for durability, cooling efficiency, and precise low-frequency reproduction, this subwoofer is a top-tier upgrade for demo builds, competition setups, and high-end bass systems.\u003c\/p\u003e\n\u003chr data-start=\"2315\" data-end=\"2318\"\u003e\n\u003ch2 data-start=\"2320\" data-end=\"2339\"\u003e\u003cstrong data-start=\"2323\" data-end=\"2339\"\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2340\" data-end=\"2836\"\u003e\n\u003cli data-start=\"2340\" data-end=\"2397\"\u003e\n\u003cp data-start=\"2342\" data-end=\"2397\"\u003e\u003cstrong data-start=\"2342\" data-end=\"2395\"\u003e18-inch subwoofer built with advanced X v.4 coils\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2398\" data-end=\"2443\"\u003e\n\u003cp data-start=\"2400\" data-end=\"2443\"\u003e\u003cstrong data-start=\"2400\" data-end=\"2441\"\u003e3000W RMS \/ 6000W Peak power handling\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2444\" data-end=\"2499\"\u003e\n\u003cp data-start=\"2446\" data-end=\"2499\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2497\"\u003eAvailable in Dual 1 OHM and Dual 2 OHM versions\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2500\" data-end=\"2569\"\u003e\n\u003cp data-start=\"2502\" data-end=\"2569\"\u003eMassive \u003cstrong data-start=\"2510\" data-end=\"2542\"\u003e113.41 square inch cone area\u003c\/strong\u003e for extreme air movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2570\" data-end=\"2614\"\u003e\n\u003cp data-start=\"2572\" data-end=\"2614\"\u003eHeavy-duty \u003cstrong data-start=\"2583\" data-end=\"2612\"\u003e9.25-inch motor structure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2615\" data-end=\"2658\"\u003e\n\u003cp data-start=\"2617\" data-end=\"2658\"\u003e\u003cstrong data-start=\"2617\" data-end=\"2630\"\u003e30mm Xmax\u003c\/strong\u003e for long, clean excursion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2659\" data-end=\"2715\"\u003e\n\u003cp data-start=\"2661\" data-end=\"2715\"\u003eRecommended ported enclosure: \u003cstrong data-start=\"2691\" data-end=\"2713\"\u003e7.00 cu ft @ 32 Hz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2716\" data-end=\"2780\"\u003e\n\u003cp data-start=\"2718\" data-end=\"2780\"\u003eCompatible with custom sealed, ported, and 4th order designs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2781\" data-end=\"2836\"\u003e\n\u003cp data-start=\"2783\" data-end=\"2836\"\u003eBuilt for durability, clarity, and SPL-level output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2838\" data-end=\"2841\"\u003e\n\u003ch2 data-start=\"2843\" data-end=\"2864\"\u003e\u003cstrong data-start=\"2846\" data-end=\"2864\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2866\" data-end=\"2885\"\u003e\u003cstrong data-start=\"2866\" data-end=\"2883\"\u003ePower Ratings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2886\" data-end=\"2928\"\u003e\n\u003cli data-start=\"2886\" data-end=\"2906\"\u003e\n\u003cp data-start=\"2888\" data-end=\"2906\"\u003eRMS Power: 3000W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2907\" data-end=\"2928\"\u003e\n\u003cp data-start=\"2909\" data-end=\"2928\"\u003ePeak Power: 6000W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2930\" data-end=\"2955\"\u003e\u003cstrong data-start=\"2930\" data-end=\"2953\"\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2956\" data-end=\"3115\"\u003e\n\u003cli data-start=\"2956\" data-end=\"2984\"\u003e\n\u003cp data-start=\"2958\" data-end=\"2984\"\u003eDisplacement: 0.28 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2985\" data-end=\"3014\"\u003e\n\u003cp data-start=\"2987\" data-end=\"3014\"\u003eMounting Depth: 15 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3015\" data-end=\"3049\"\u003e\n\u003cp data-start=\"3017\" data-end=\"3049\"\u003eOutside Diameter: 18.42 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3050\" data-end=\"3083\"\u003e\n\u003cp data-start=\"3052\" data-end=\"3083\"\u003eCutout Diameter: 16.69 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3084\" data-end=\"3115\"\u003e\n\u003cp data-start=\"3086\" data-end=\"3115\"\u003eMotor Diameter: 9.25 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3117\" data-end=\"3148\"\u003e\u003cstrong data-start=\"3117\" data-end=\"3146\"\u003eEnclosure Recommendations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3149\" data-end=\"3271\"\u003e\n\u003cli data-start=\"3149\" data-end=\"3176\"\u003e\n\u003cp data-start=\"3151\" data-end=\"3176\"\u003eSealed: Not recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3177\" data-end=\"3199\"\u003e\n\u003cp data-start=\"3179\" data-end=\"3199\"\u003ePorted: 7.00 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3200\" data-end=\"3234\"\u003e\n\u003cp data-start=\"3202\" data-end=\"3234\"\u003eRecommended Port Tuning: 32 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3235\" data-end=\"3271\"\u003e\n\u003cp data-start=\"3237\" data-end=\"3271\"\u003eRecommended Port Area: 112 sq in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3273\" data-end=\"3297\"\u003e\u003cstrong data-start=\"3273\" data-end=\"3295\"\u003e4th Order Bandpass\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3298\" data-end=\"3402\"\u003e\n\u003cli data-start=\"3298\" data-end=\"3324\"\u003e\n\u003cp data-start=\"3300\" data-end=\"3324\"\u003eSealed Side: 3.0 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3325\" data-end=\"3351\"\u003e\n\u003cp data-start=\"3327\" data-end=\"3351\"\u003ePorted Side: 9.0 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3352\" data-end=\"3376\"\u003e\n\u003cp data-start=\"3354\" data-end=\"3376\"\u003ePort Area: 180 sq in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3377\" data-end=\"3402\"\u003e\n\u003cp data-start=\"3379\" data-end=\"3402\"\u003ePort Length: 8 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3404\" data-end=\"3432\"\u003e\u003cstrong data-start=\"3404\" data-end=\"3430\"\u003ePerformance Parameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3433\" data-end=\"3730\"\u003e\n\u003cli data-start=\"3433\" data-end=\"3447\"\u003e\n\u003cp data-start=\"3435\" data-end=\"3447\"\u003eXmax: 30mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3448\" data-end=\"3468\"\u003e\n\u003cp data-start=\"3450\" data-end=\"3468\"\u003eSd: 113.41 sq in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3469\" data-end=\"3506\"\u003e\n\u003cp data-start=\"3471\" data-end=\"3506\"\u003eRe: 2.05 OHM (D1) \/ 3.74 OHM (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3507\" data-end=\"3542\"\u003e\n\u003cp data-start=\"3509\" data-end=\"3542\"\u003eFs: 25.87Hz (D1) \/ 25.58Hz (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3543\" data-end=\"3558\"\u003e\n\u003cp data-start=\"3545\" data-end=\"3558\"\u003eVas: 93.67L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3559\" data-end=\"3589\"\u003e\n\u003cp data-start=\"3561\" data-end=\"3589\"\u003eQes: 0.63 (D1) \/ 0.55 (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3590\" data-end=\"3620\"\u003e\n\u003cp data-start=\"3592\" data-end=\"3620\"\u003eQms: 4.13 (D1) \/ 4.03 (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3621\" data-end=\"3651\"\u003e\n\u003cp data-start=\"3623\" data-end=\"3651\"\u003eQts: 0.54 (D1) \/ 0.84 (D2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3652\" data-end=\"3672\"\u003e\n\u003cp data-start=\"3654\" data-end=\"3672\"\u003eBL: 19.74 \/ 26.8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3673\" data-end=\"3699\"\u003e\n\u003cp data-start=\"3675\" data-end=\"3699\"\u003eMms: 737.81g \/ 656.74g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3700\" data-end=\"3730\"\u003e\n\u003cp data-start=\"3702\" data-end=\"3730\"\u003eSensitivity: 86 dB \/ 87 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":52996616782190,"sku":null,"price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/1918\/6791\/files\/XV418.png?v=1763487296","url":"https:\/\/www.droppinhzcaraudio.com\/products\/sundown-audio-xv4-18-inch-3000w-subwoofer-dual-1-ohm-x-series","provider":"Droppin HZ Car Audio","version":"1.0","type":"link"}