{"product_id":"rockford-rm112d4b-subwoofer-marine-noir-30-cm-prime-series-200-w-rms-2-8-ohms","title":"ROCKFORD RM112D4B – Marine Black Subwoofer 30 cm Prime Series – 200 W RMS – 2\/8 Ohms","description":"\u003ch2\u003eROCKFORD RM112D4B – Marine Black Subwoofer 30 cm Prime Series – 200 W RMS – 2\/8 Ohms\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\n\u003cp data-start=\"506\" data-end=\"959\"\u003e The \u003cstrong data-start=\"509\" data-end=\"538\"\u003eRockford RM112D4B\u003c\/strong\u003e is a \u003cstrong data-start=\"546\" data-end=\"577\"\u003e12-inch (30 cm) dual-voice 4-Ohm subwoofer\u003c\/strong\u003e designed for marine and powersports applications. Its \u003cstrong data-start=\"656\" data-end=\"683\"\u003esleek black finish\u003c\/strong\u003e and \u003cstrong data-start=\"691\" data-end=\"719\"\u003eremovable matching grille\u003c\/strong\u003e make it ideal for any aesthetically pleasing and durable outdoor installation. Constructed with UV-, moisture-, and vibration-resistant materials, it delivers performance and reliability even in the most extreme environments.\u003c\/p\u003e\n\n\u003chr data-start=\"961\" data-end=\"964\"\u003e\n\n\u003ch3 data-start=\"966\" data-end=\"1002\"\u003e \u003cstrong data-start=\"970\" data-end=\"1002\"\u003eMain features\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cul data-start=\"1003\" data-end=\"1545\"\u003e\n\n\u003cli data-start=\"1003\" data-end=\"1035\"\u003e\n\n\u003cp data-start=\"1005\" data-end=\"1035\"\u003e \u003cstrong data-start=\"1005\" data-end=\"1015\"\u003eSize\u003c\/strong\u003e : 12 inches (30 cm) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1036\" data-end=\"1067\"\u003e\n\n\u003cp data-start=\"1038\" data-end=\"1067\"\u003e \u003cstrong data-start=\"1038\" data-end=\"1055\"\u003eRMS power\u003c\/strong\u003e : 200 Watts\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1068\" data-end=\"1099\"\u003e\n\n \u003cp data-start=\"1070\" data-end=\"1099\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1087\"\u003eMax Power\u003c\/strong\u003e : 400 Watts \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1100\" data-end=\"1162\"\u003e\n\n\u003cp data-start=\"1102\" data-end=\"1162\"\u003e \u003cstrong data-start=\"1102\" data-end=\"1115\"\u003eImpedance\u003c\/strong\u003e : Dual voice coil – 2 Ohms or 8 Ohms (D4 model) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1163\" data-end=\"1244\"\u003e\n\n\u003cp data-start=\"1165\" data-end=\"1244\"\u003e \u003cstrong data-start=\"1165\" data-end=\"1200\"\u003ePremium marine design\u003c\/strong\u003e : Salt spray, UV and water resistant \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1245\" data-end=\"1311\"\u003e\n\n\u003cp data-start=\"1247\" data-end=\"1311\"\u003e \u003cstrong data-start=\"1247\" data-end=\"1259\"\u003eMembrane\u003c\/strong\u003e : Injected polypropylene, mineralized, anti-UV treated \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1312\" data-end=\"1378\"\u003e\n\n\u003cp data-start=\"1314\" data-end=\"1378\"\u003e \u003cstrong data-start=\"1314\" data-end=\"1328\"\u003eSuspension\u003c\/strong\u003e : Santoprene resistant to external aggressions \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1379\" data-end=\"1434\"\u003e\n\n\u003cp data-start=\"1381\" data-end=\"1434\"\u003e \u003cstrong data-start=\"1381\" data-end=\"1396\"\u003eConnections\u003c\/strong\u003e : Anti-corrosion spring-loaded push terminals \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1435\" data-end=\"1470\"\u003e\n\n\u003cp data-start=\"1437\" data-end=\"1470\"\u003e \u003cstrong data-start=\"1437\" data-end=\"1470\"\u003eRemovable black grille included\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1471\" data-end=\"1545\"\u003e\n\n\u003cp data-start=\"1473\" data-end=\"1545\"\u003e \u003cstrong data-start=\"1473\" data-end=\"1489\"\u003eInstallation\u003c\/strong\u003e : Compatible with sealed enclosure, bass-reflex or infinite baffle \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"1547\" data-end=\"1550\"\u003e\n\n\u003ch3 data-start=\"1552\" data-end=\"1579\"\u003e \u003cstrong data-start=\"1556\" data-end=\"1579\"\u003eBox contents\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cul data-start=\"1580\" data-end=\"1673\"\u003e\n\n\u003cli data-start=\"1580\" data-end=\"1618\"\u003e\n\n\u003cp data-start=\"1582\" data-end=\"1618\"\u003e 1 x Rockford RM112D4B subwoofer black \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1619\" data-end=\"1646\"\u003e\n\n\u003cp data-start=\"1621\" data-end=\"1646\"\u003e 1 x Matching black grille \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1647\" data-end=\"1673\"\u003e\n\n\u003cp data-start=\"1649\" data-end=\"1673\"\u003e 1 x Installation Guide\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"1675\" data-end=\"1678\"\u003e\n\n \u003ch3 data-start=\"1680\" data-end=\"1713\"\u003e\n\u003cstrong data-start=\"1684\" data-end=\"1713\"\u003eTechnical specifications\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\n\u003cdiv class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" style=\"text-align: start;\" tabindex=\"-1\"\u003e\n\n\u003ctable data-start=\"1715\" data-end=\"2257\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 100%;\"\u003e\n\n\u003cthead data-start=\"1715\" data-end=\"1743\"\u003e\n\n\u003ctr data-start=\"1715\" data-end=\"1743\"\u003e\n\n\u003cth data-start=\"1715\" data-end=\"1733\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e Characteristic\u003c\/th\u003e\n\n\u003cth data-start=\"1733\" data-end=\"1743\" data-col-size=\"sm\" style=\"width: 62.1377%;\"\u003e Value \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-start=\"1773\" data-end=\"2257\"\u003e\n\n\u003ctr data-start=\"1773\" data-end=\"1801\"\u003e\n\n\u003ctd data-start=\"1773\" data-end=\"1786\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1775\" data-end=\"1785\"\u003eSize\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1786\" data-end=\"1801\" style=\"width: 62.1377%;\"\u003e 12\" (30 cm) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1802\" data-end=\"1856\"\u003e\n\n\u003ctd data-start=\"1802\" data-end=\"1818\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1804\" data-end=\"1817\"\u003eImpedance\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1818\" data-end=\"1856\" style=\"width: 62.1377%;\"\u003e 2 or 8 Ohms (dual coil 4 Ohms) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1857\" data-end=\"1890\"\u003e\n\n\u003ctd data-start=\"1857\" data-end=\"1877\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1859\" data-end=\"1876\"\u003eRMS power\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1877\" data-end=\"1890\" style=\"width: 62.1377%;\"\u003e 200 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1891\" data-end=\"1924\"\u003e\n\n\u003ctd data-start=\"1891\" data-end=\"1911\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1893\" data-end=\"1910\"\u003eMax Power\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1911\" data-end=\"1924\" style=\"width: 62.1377%;\"\u003e 400 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1925\" data-end=\"1964\"\u003e\n\n\u003ctd data-start=\"1925\" data-end=\"1947\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1927\" data-end=\"1946\"\u003eSPL sensitivity\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1947\" data-end=\"1964\" style=\"width: 62.1377%;\"\u003e 89 dB (1W\/1m) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1965\" data-end=\"1985\"\u003e\n\n\u003ctd data-start=\"1965\" data-end=\"1974\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1967\" data-end=\"1973\"\u003eFs\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1974\" data-end=\"1985\" style=\"width: 62.1377%;\"\u003e 28.5 Hz \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1986\" data-end=\"2007\"\u003e\n\n\u003ctd data-start=\"1986\" data-end=\"1995\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"1988\" data-end=\"1994\"\u003eD\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1995\" data-end=\"2007\" style=\"width: 62.1377%;\"\u003e 3.7 Ohms \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2008\" data-end=\"2028\"\u003e\n\n\u003ctd data-start=\"2008\" data-end=\"2017\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2010\" data-end=\"2016\"\u003eTHE\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2017\" data-end=\"2028\" style=\"width: 62.1377%;\"\u003e 2.16 mH \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2029\" data-end=\"2049\"\u003e\n\n\u003ctd data-start=\"2029\" data-end=\"2038\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2031\" data-end=\"2037\"\u003eSd\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2038\" data-end=\"2049\" style=\"width: 62.1377%;\"\u003e 585 cm² \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2050\" data-end=\"2095\"\u003e\n\n\u003ctd data-start=\"2050\" data-end=\"2072\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2052\" data-end=\"2071\"\u003eQes \/ Qms \/ Qts\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2072\" data-end=\"2095\" style=\"width: 62.1377%;\"\u003e 0.62 \/ 10.06 \/ 0.59 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2096\" data-end=\"2115\"\u003e\n\n\u003ctd data-start=\"2096\" data-end=\"2107\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2098\" data-end=\"2106\"\u003eXmax\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2107\" data-end=\"2115\" style=\"width: 62.1377%;\"\u003e 7 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2116\" data-end=\"2147\"\u003e\n\n\u003ctd data-start=\"2116\" data-end=\"2137\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2118\" data-end=\"2136\"\u003eDisplaced volume\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2137\" data-end=\"2147\" style=\"width: 62.1377%;\"\u003e 3.49 L \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2148\" data-end=\"2184\"\u003e\n\n\u003ctd data-start=\"2148\" data-end=\"2174\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2150\" data-end=\"2173\"\u003eCutting diameter\u003c\/strong\u003e\n\u003c\/td\u003e\n\n \u003ctd data-col-size=\"sm\" data-start=\"2174\" data-end=\"2184\" style=\"width: 62.1377%;\"\u003e276 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2185\" data-end=\"2223\"\u003e\n\n\u003ctd data-start=\"2185\" data-end=\"2207\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2187\" data-end=\"2206\"\u003eCoil diameter\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2207\" data-end=\"2223\" style=\"width: 62.1377%;\"\u003e 2” aluminum \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2224\" data-end=\"2257\"\u003e\n\n\u003ctd data-start=\"2224\" data-end=\"2245\" data-col-size=\"sm\" style=\"width: 37.5%;\"\u003e \u003cstrong data-start=\"2226\" data-end=\"2244\"\u003eCEA-2031 Standard\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2245\" data-end=\"2257\" style=\"width: 62.1377%;\"\u003e Compliant\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003chr data-start=\"2259\" data-end=\"2262\"\u003e\n\n\u003ch3 data-start=\"2264\" data-end=\"2297\"\u003e \u003cstrong data-start=\"2268\" data-end=\"2297\"\u003eRecessed dimensions\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cul data-start=\"2298\" data-end=\"2452\"\u003e\n\n\u003cli data-start=\"2298\" data-end=\"2334\"\u003e\n\n\u003cp data-start=\"2300\" data-end=\"2334\"\u003e \u003cstrong data-start=\"2300\" data-end=\"2323\"\u003eCutting diameter\u003c\/strong\u003e : 276 mm \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2335\" data-end=\"2384\"\u003e\n\n\u003cp data-start=\"2337\" data-end=\"2384\"\u003e \u003cstrong data-start=\"2337\" data-end=\"2366\"\u003eRecessed depth\u003c\/strong\u003e : Not specified \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2385\" data-end=\"2452\"\u003e\n\n\u003cp data-start=\"2387\" data-end=\"2452\"\u003e \u003cstrong data-start=\"2387\" data-end=\"2408\"\u003eRecommended volume\u003c\/strong\u003e : Compatible with closed, ventilated or infinite baffle \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"2454\" data-end=\"2457\"\u003e\n\n\u003ch3 data-start=\"2459\" data-end=\"2506\"\u003e \u003cstrong data-start=\"2463\" data-end=\"2506\"\u003eWhy choose the Rockford RM112D4B?\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cul data-start=\"2507\" data-end=\"2864\"\u003e\n\n\u003cli data-start=\"2507\" data-end=\"2576\"\u003e\n\n\u003cp data-start=\"2509\" data-end=\"2576\"\u003e ✅ \u003cstrong data-start=\"2511\" data-end=\"2576\"\u003eSpecially designed for marine and extreme environments\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2577\" data-end=\"2622\"\u003e\n\n\u003cp data-start=\"2579\" data-end=\"2622\"\u003e ✅ \u003cstrong data-start=\"2581\" data-end=\"2622\"\u003eSober look with removable black grille\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2623\" data-end=\"2683\"\u003e\n\n\u003cp data-start=\"2625\" data-end=\"2683\"\u003e ✅ \u003cstrong data-start=\"2627\" data-end=\"2683\"\u003eDual coil for flexible wiring: 2 or 8 Ohms\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2684\" data-end=\"2748\"\u003e\n\n \u003cp data-start=\"2686\" data-end=\"2748\"\u003e✅ \u003cstrong data-start=\"2688\" data-end=\"2748\"\u003ePerfect for installation on boat, UTV or pickup truck\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2749\" data-end=\"2809\"\u003e\n\n\u003cp data-start=\"2751\" data-end=\"2809\"\u003e ✅ \u003cstrong data-start=\"2753\" data-end=\"2809\"\u003eComponents resistant to humidity, salt and UV rays\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2810\" data-end=\"2864\"\u003e\n\n\u003cp data-start=\"2812\" data-end=\"2864\"\u003e ✅ \u003cstrong data-start=\"2814\" data-end=\"2864\"\u003ePrecise and efficient sound even at low power\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong data-start=\"2814\" data-end=\"2864\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/MS-2-_FINAL_3eb5048c-0af5-481e-bd02-fe9bbd0f92a0_160x160.png?v=1734546281\" style=\"margin-bottom: 16px; float: none; display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Rockford","offers":[{"title":"Default Title","offer_id":51593430827275,"sku":"RM112D4B","price":169.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/Rockford-ROCKFORD-RM112D4B-_-Subwoofer-Marine-Noir-30_cm-Prime-Series-_-200_W-RMS-_-2-8-Ohms-Multison-187487987.webp?v=1749715018","url":"https:\/\/mumltisun.com\/en\/products\/rockford-rm112d4b-subwoofer-marine-noir-30-cm-prime-series-200-w-rms-2-8-ohms","provider":"mumltisun.com","version":"1.0","type":"link"}