{"product_id":"rockford-r2d4-10-subwoofer-25-cm-10-double-bobine-250-w-rms-4-ohm","title":"ROCKFORD R2D4-10 – 25 cm (10\") subwoofer – Dual Coil – 250 W RMS – 4 Ohm","description":"\u003ch2\u003eROCKFORD R2D4-10 – 25 cm (10\") subwoofer – Dual Coil – 250 W RMS – 4 Ohm\u003c\/h2\u003e\n\n\u003cstyle\u003e\n    table {\n        width: 100%;\n        border-collapse: collapse;\n        background-color: #E0F7FA; \/* Bleu ciel *\/\n    }\n    th, td {\n        border: 1px solid #0288D1;\n        padding: 10px;\n        text-align: left;\n    }\n    th {\n        background-color: #0288D1;\n        color: white;\n    }\n    p {\n        margin-top: 10px;\n    }\n\u003c\/style\u003e\n\u003cp class=\"\" data-end=\"734\" data-start=\"447\"\u003e The \u003cstrong data-end=\"478\" data-start=\"450\"\u003eRockford Fosgate R2D4-10\u003c\/strong\u003e is a high-performance \u003cstrong data-end=\"511\" data-start=\"486\"\u003e10\" (25 cm) subwoofer\u003c\/strong\u003e designed for \u003cstrong data-end=\"575\" data-start=\"552\"\u003edemanding car audio\u003c\/strong\u003e enthusiasts. Thanks to its \u003cstrong data-end=\"612\" data-start=\"588\"\u003edual 4 ohm voice coil\u003c\/strong\u003e , it offers maximum \u003cstrong data-end=\"657\" data-start=\"627\"\u003einstallation flexibility\u003c\/strong\u003e , particularly for mono or stereo configurations at 2 or 8 ohms.\u003c\/p\u003e\n\n \u003cp class=\"\" data-end=\"1200\" data-start=\"736\"\u003eThis woofer is designed to deliver \u003cstrong data-end=\"833\" data-start=\"797\"\u003epowerful, clean, and deep\u003c\/strong\u003e bass, thanks to a \u003cstrong data-end=\"892\" data-start=\"847\"\u003emica-injected polypropylene cone\u003c\/strong\u003e , a robust \u003cstrong data-end=\"925\" data-start=\"897\"\u003eStampCast pressed basket\u003c\/strong\u003e with integrated ventilation, and an \u003cstrong data-end=\"1006\" data-start=\"968\"\u003eanodized aluminum voice coil\u003c\/strong\u003e .\u003cbr data-end=\"1010\" data-start=\"1007\"\u003e Like the R2D2-10 model, it is \u003cstrong data-end=\"1092\" data-start=\"1042\"\u003eoptimized for sealed or bass reflex enclosures\u003c\/strong\u003e , and incorporates the essential components generally found in much higher-end models. \u003c\/p\u003e\n\n\u003chr class=\"\" data-end=\"1205\" data-start=\"1202\"\u003e\n\n\u003ch2 class=\"\" data-end=\"1238\" data-start=\"1207\"\u003e Main features \u003c\/h2\u003e\n\n\u003cul data-end=\"1729\" data-start=\"1239\"\u003e\n\n\u003cli class=\"\" data-end=\"1282\" data-start=\"1239\"\u003e\n\n\u003cp class=\"\" data-end=\"1282\" data-start=\"1241\"\u003e \u003cstrong data-end=\"1266\" data-start=\"1241\"\u003e10\" (25 cm) dual voice coil subwoofer\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1333\" data-start=\"1283\"\u003e\n\n\u003cp class=\"\" data-end=\"1333\" data-start=\"1285\"\u003e \u003cstrong data-end=\"1309\" data-start=\"1285\"\u003ePower handling\u003c\/strong\u003e : 250 W RMS \/ 500 W Max \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1379\" data-start=\"1334\"\u003e\n\n\u003cp class=\"\" data-end=\"1379\" data-start=\"1336\"\u003e \u003cstrong data-end=\"1349\" data-start=\"1336\"\u003eImpedance\u003c\/strong\u003e : Dual 4 ohm voice coil (2x4Ω)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1434\" data-start=\"1380\"\u003e\n\n \u003cp class=\"\" data-end=\"1434\" data-start=\"1382\"\u003e\u003cstrong data-end=\"1402\" data-start=\"1382\"\u003eMembrane Type\u003c\/strong\u003e : Mica-Injected Polypropylene \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1497\" data-start=\"1435\"\u003e\n\n\u003cp class=\"\" data-end=\"1497\" data-start=\"1437\"\u003e \u003cstrong data-end=\"1451\" data-start=\"1437\"\u003eSuspension\u003c\/strong\u003e : Linear Spinne with integrated 16 AWG cables \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1571\" data-start=\"1498\"\u003e\n\n\u003cp class=\"\" data-end=\"1571\" data-start=\"1500\"\u003e \u003cstrong data-end=\"1510\" data-start=\"1500\"\u003eBasket\u003c\/strong\u003e : StampCast ventilated for better heat dissipation \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1620\" data-start=\"1572\"\u003e\n\n\u003cp class=\"\" data-end=\"1620\" data-start=\"1574\"\u003e \u003cstrong data-end=\"1591\" data-start=\"1574\"\u003eVoice Coil\u003c\/strong\u003e : 51mm Anodized Aluminum \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1667\" data-start=\"1621\"\u003e\n\n\u003cp class=\"\" data-end=\"1667\" data-start=\"1623\"\u003e \u003cstrong data-end=\"1638\" data-start=\"1623\"\u003eConnections\u003c\/strong\u003e : 4 mm² compression terminals \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1729\" data-start=\"1668\"\u003e\n\n\u003cp class=\"\" data-end=\"1729\" data-start=\"1670\"\u003e \u003cstrong data-end=\"1685\" data-start=\"1670\"\u003eUse\u003c\/strong\u003e : Optimized for sealed or bass reflex enclosures \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr class=\"\" data-end=\"1734\" data-start=\"1731\"\u003e\n\n\u003ch2 class=\"\" data-end=\"1754\" data-start=\"1736\"\u003e Pack contents \u003c\/h2\u003e\n\n\u003cul data-end=\"1850\" data-start=\"1755\"\u003e\n\n\u003cli class=\"\" data-end=\"1793\" data-start=\"1755\"\u003e\n\n\u003cp class=\"\" data-end=\"1793\" data-start=\"1757\"\u003e 1 Rockford Fosgate R2D4-10 Subwoofer \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1826\" data-start=\"1794\"\u003e\n\n\u003cp class=\"\" data-end=\"1826\" data-start=\"1796\"\u003e Integrated PVC finishing ring \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1850\" data-start=\"1827\"\u003e\n\n\u003cp class=\"\" data-end=\"1850\" data-start=\"1829\"\u003e Installation Manual \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr class=\"\" data-end=\"1855\" data-start=\"1852\"\u003e\n\n\u003ch2 class=\"\" data-end=\"1885\" data-start=\"1857\"\u003e Technical specifications \u003c\/h2\u003e\n\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\n\u003cdiv style=\"text-align: center;\" class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3203\" data-start=\"1887\"\u003e\n\n\u003cthead data-end=\"1936\" data-start=\"1887\"\u003e\n\n\u003ctr data-end=\"1936\" data-start=\"1887\"\u003e\n\n\u003cth data-col-size=\"sm\" data-end=\"1926\" data-start=\"1887\"\u003e Features\u003c\/th\u003e\n\n\u003cth data-col-size=\"sm\" data-end=\"1936\" data-start=\"1926\"\u003e Detail \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-end=\"3203\" data-start=\"1987\"\u003e\n\n\u003ctr data-end=\"2051\" data-start=\"1987\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2026\" data-start=\"1987\"\u003e Kind\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2051\" data-start=\"2026\"\u003e 10\" (25 cm) subwoofer \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2104\" data-start=\"2052\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2091\" data-start=\"2052\"\u003e RMS power\u003c\/td\u003e\n\n\u003ctd data-end=\"2104\" data-start=\"2091\" data-col-size=\"sm\"\u003e 250 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2157\" data-start=\"2105\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2144\" data-start=\"2105\"\u003e Maximum power\u003c\/td\u003e\n\n\u003ctd data-end=\"2157\" data-start=\"2144\" data-col-size=\"sm\"\u003e 500 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2220\" data-start=\"2158\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2197\" data-start=\"2158\"\u003e Coil type\u003c\/td\u003e\n\n\u003ctd data-end=\"2220\" data-start=\"2197\" data-col-size=\"sm\"\u003e Dual Coil (DVC) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2273\" data-start=\"2221\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2260\" data-start=\"2221\"\u003e Impedance\u003c\/td\u003e\n\n\u003ctd data-end=\"2273\" data-start=\"2260\" data-col-size=\"sm\"\u003e 2x 4 Ohms \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2322\" data-start=\"2274\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2313\" data-start=\"2274\"\u003e Coil diameter\u003c\/td\u003e\n\n\u003ctd data-end=\"2322\" data-start=\"2313\" data-col-size=\"sm\"\u003e 51 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2373\" data-start=\"2323\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2362\" data-start=\"2323\"\u003e SPL sensitivity (1W\/1m)\u003c\/td\u003e\n\n\u003ctd data-end=\"2373\" data-start=\"2362\" data-col-size=\"sm\"\u003e 86.9 dB \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2424\" data-start=\"2374\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2413\" data-start=\"2374\"\u003e Resonant frequency (Fs)\u003c\/td\u003e\n\n\u003ctd data-end=\"2424\" data-start=\"2413\" data-col-size=\"sm\"\u003e 34.6 Hz \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2477\" data-start=\"2425\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2464\" data-start=\"2425\"\u003e DC resistance (Re)\u003c\/td\u003e\n\n \u003ctd data-end=\"2477\" data-start=\"2464\" data-col-size=\"sm\"\u003e3.84 Ohms \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2527\" data-start=\"2478\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2517\" data-start=\"2478\"\u003e Inductance (The)\u003c\/td\u003e\n\n\u003ctd data-end=\"2527\" data-start=\"2517\" data-col-size=\"sm\"\u003e 3.9 mH \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2580\" data-start=\"2528\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2567\" data-start=\"2528\"\u003e Membrane surface area (Sd)\u003c\/td\u003e\n\n\u003ctd data-end=\"2580\" data-start=\"2567\" data-col-size=\"sm\"\u003e 339.8 cm² \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2628\" data-start=\"2581\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2620\" data-start=\"2581\"\u003e Qts\u003c\/td\u003e\n\n\u003ctd data-end=\"2628\" data-start=\"2620\" data-col-size=\"sm\"\u003e 0.47 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2676\" data-start=\"2629\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2668\" data-start=\"2629\"\u003e Qms\u003c\/td\u003e\n\n\u003ctd data-end=\"2676\" data-start=\"2668\" data-col-size=\"sm\"\u003e 6.93 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2724\" data-start=\"2677\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2716\" data-start=\"2677\"\u003e Qes\u003c\/td\u003e\n\n\u003ctd data-end=\"2724\" data-start=\"2716\" data-col-size=\"sm\"\u003e 0.50 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2777\" data-start=\"2725\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2764\" data-start=\"2725\"\u003e Equivalent air volume (Vas)\u003c\/td\u003e\n\n\u003ctd data-end=\"2777\" data-start=\"2764\" data-col-size=\"sm\"\u003e 39 liters \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2827\" data-start=\"2778\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2817\" data-start=\"2778\"\u003e Linear excursion (Xmax)\u003c\/td\u003e\n\n\u003ctd data-end=\"2827\" data-start=\"2817\" data-col-size=\"sm\"\u003e 6.5 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2882\" data-start=\"2828\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2867\" data-start=\"2828\"\u003e Recommended box volume (closed)\u003c\/td\u003e\n\n\u003ctd data-end=\"2882\" data-start=\"2867\" data-col-size=\"sm\"\u003e 16.7 liters \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2940\" data-start=\"2883\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2925\" data-start=\"2883\"\u003e Recommended subwoofer volume (bass reflex)\u003c\/td\u003e\n\n\u003ctd data-end=\"2940\" data-start=\"2925\" data-col-size=\"sm\"\u003e 39.6 liters \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2990\" data-start=\"2941\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2980\" data-start=\"2941\"\u003e Installation depth\u003c\/td\u003e\n\n\u003ctd data-end=\"2990\" data-start=\"2980\" data-col-size=\"sm\"\u003e 109 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"3040\" data-start=\"2991\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"3030\" data-start=\"2991\"\u003e Cutting diameter\u003c\/td\u003e\n\n\u003ctd data-end=\"3040\" data-start=\"3030\" data-col-size=\"sm\"\u003e 232 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"3093\" data-start=\"3041\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"3080\" data-start=\"3041\"\u003e Moving the speaker\u003c\/td\u003e\n\n\u003ctd data-end=\"3093\" data-start=\"3080\" data-col-size=\"sm\"\u003e 1.1 liters \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"3152\" data-start=\"3094\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"3133\" data-start=\"3094\"\u003e Engine weight\u003c\/td\u003e\n\n\u003ctd data-end=\"3152\" data-start=\"3133\" data-col-size=\"sm\"\u003e 1.22 kg (43 oz) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"3203\" data-start=\"3153\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"3192\" data-start=\"3153\"\u003e Total shipping weight\u003c\/td\u003e\n\n\u003ctd data-end=\"3203\" data-start=\"3192\" data-col-size=\"sm\"\u003e 3.99 kg \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003chr class=\"\" data-end=\"3208\" data-start=\"3205\"\u003e\n\n\u003ch2 class=\"\" data-end=\"3259\" data-start=\"3210\"\u003e Why choose the Rockford Fosgate R2D4-10? \u003c\/h2\u003e\n\n\u003cul data-end=\"3539\" data-start=\"3260\"\u003e\n\n\u003cli class=\"\" data-end=\"3307\" data-start=\"3260\"\u003e\n\n\u003cp class=\"\" data-end=\"3307\" data-start=\"3262\"\u003e ✅ \u003cstrong data-end=\"3307\" data-start=\"3274\"\u003eReliable, powerful and affordable\u003c\/strong\u003e subwoofer \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3374\" data-start=\"3308\"\u003e\n\n\u003cp class=\"\" data-end=\"3374\" data-start=\"3310\"\u003e ✅ \u003cstrong data-end=\"3336\" data-start=\"3312\"\u003eDual 4 ohm voice coil\u003c\/strong\u003e for versatile setup (2Ω or 8Ω) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3431\" data-start=\"3375\"\u003e\n\n\u003cp class=\"\" data-end=\"3431\" data-start=\"3377\"\u003e ✅ \u003cstrong data-end=\"3402\" data-start=\"3379\"\u003eRobust components\u003c\/strong\u003e for long life \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3474\" data-start=\"3432\"\u003e\n\n\u003cp class=\"\" data-end=\"3474\" data-start=\"3434\"\u003e ✅ Compatible \u003cstrong data-end=\"3474\" data-start=\"3447\"\u003ewith closed or ventilated enclosures\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3539\" data-start=\"3475\"\u003e\n\n\u003cp class=\"\" data-end=\"3539\" data-start=\"3477\"\u003e ✅ World-renowned \u003cstrong data-end=\"3516\" data-start=\"3479\"\u003eRockford Fosgate sound signature\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg style=\"float: none;\" alt=\"Why choose the Rockford Fosgate R2D4-10? ✅ Reliable, powerful and affordable subwoofer ✅ Dual 4 ohm voice coil for versatile mounting (2Ω or 8Ω) ✅ Robust components for long life ✅ Compatible with sealed or vented enclosures ✅ World-renowned Rockford Fosgate sound signature\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/MS-2-_FINAL_3eb5048c-0af5-481e-bd02-fe9bbd0f92a0_160x160.png?v=1734546281\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Rockford","offers":[{"title":"Default Title","offer_id":51395031007499,"sku":"R2D4-10","price":99.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/Rockford-ROCKFORD-R2D4-10-_-Subwoofer-25-cm-_10_-_-Double-Bobine-_-250-W-RMS-_-4-Ohm-Multison-185887179.webp?v=1747127718","url":"https:\/\/mumltisun.com\/en\/products\/rockford-r2d4-10-subwoofer-25-cm-10-double-bobine-250-w-rms-4-ohm","provider":"mumltisun.com","version":"1.0","type":"link"}