{"product_id":"rockford-r2d4-12-subwoofer-30-cm-12-double-bobine-250-w-rms-4-ohm","title":"ROCKFORD R2D4-12 – Subwoofer 30 cm (12\") – Bobina Dupla – 250 W RMS – 4 Ohm","description":"\u003ch2\u003e Subwoofer ROCKFORD R2D4-12 – 30 cm (12\") – Bobine dupla – 250 W RMS – 4 Ohms\u003c\/h2\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\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-start=\"433\" data-end=\"708\"\u003e O \u003cstrong data-start=\"436\" data-end=\"464\"\u003eRockford Fosgate R2D4-12\u003c\/strong\u003e é um \u003cstrong data-start=\"472\" data-end=\"497\"\u003esubwoofer de 12\" (30 cm)\u003c\/strong\u003e da série Prime, concebido para oferecer \u003cstrong data-start=\"539\" data-end=\"584\"\u003egraves potentes, dinâmicos e precisos\u003c\/strong\u003e . Graças à sua \u003cstrong data-start=\"597\" data-end=\"621\"\u003ebobina dupla de 4 ohms\u003c\/strong\u003e , permite instalações flexíveis em qualquer configuração mono ou estéreo.\u003c\/p\u003e\n\n \u003cp class=\"\" data-start=\"710\" data-end=\"1126\"\u003eApresenta um \u003cstrong data-start=\"730\" data-end=\"775\"\u003econe de polipropileno injetado com mica\u003c\/strong\u003e , uma \u003cstrong data-start=\"782\" data-end=\"844\"\u003eestrutura metálica estampada com ventilação integrada\u003c\/strong\u003e e um \u003cstrong data-start=\"854\" data-end=\"896\"\u003esuporte de bobina de voz em alumínio anodizado\u003c\/strong\u003e , garantindo \u003cstrong data-start=\"911\" data-end=\"961\"\u003eum arrefecimento ideal e um desempenho duradouro\u003c\/strong\u003e . Este subwoofer é compatível com colunas \u003cstrong data-start=\"1009\" data-end=\"1029\"\u003eseladas ou ventiladas\u003c\/strong\u003e e é perfeito para os entusiastas do som automóvel que procuram uma excelente relação qualidade-preço. \u003c\/p\u003e\n\n\u003chr class=\"\" data-start=\"1128\" data-end=\"1131\"\u003e\n\n\u003ch2 class=\"\" data-start=\"1133\" data-end=\"1164\"\u003e Principais características \u003c\/h2\u003e\n\n\u003cul data-start=\"1165\" data-end=\"1667\"\u003e\n\n\u003cli class=\"\" data-start=\"1165\" data-end=\"1208\"\u003e\n\n\u003cp class=\"\" data-start=\"1167\" data-end=\"1208\"\u003e \u003cstrong data-start=\"1167\" data-end=\"1192\"\u003eSubwoofer de bobina dupla de 12\" (30 cm)\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1209\" data-end=\"1259\"\u003e\n\n\u003cp class=\"\" data-start=\"1211\" data-end=\"1259\"\u003e \u003cstrong data-start=\"1211\" data-end=\"1235\"\u003ePotência máxima\u003c\/strong\u003e : 250 W RMS \/ 500 W máx. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1260\" data-end=\"1305\"\u003e\n\n\u003cp class=\"\" data-start=\"1262\" data-end=\"1305\"\u003e \u003cstrong data-start=\"1262\" data-end=\"1275\"\u003eImpedância\u003c\/strong\u003e : Bobina dupla de 4 ohms (2x4Ω)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1306\" data-end=\"1352\"\u003e\n\n \u003cp class=\"\" data-start=\"1308\" data-end=\"1352\"\u003e\u003cstrong data-start=\"1308\" data-end=\"1320\"\u003eMembrana\u003c\/strong\u003e : Polipropileno injectado com mica \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1353\" data-end=\"1410\"\u003e\n\n\u003cp class=\"\" data-start=\"1355\" data-end=\"1410\"\u003e \u003cstrong data-start=\"1355\" data-end=\"1365\"\u003eCesto\u003c\/strong\u003e : StampCast com ventilação Spider integrada \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1411\" data-end=\"1454\"\u003e\n\n\u003cp class=\"\" data-start=\"1413\" data-end=\"1454\"\u003e \u003cstrong data-start=\"1413\" data-end=\"1434\"\u003eSuporte do carretel\u003c\/strong\u003e : Alumínio anodizado \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1455\" data-end=\"1514\"\u003e\n\n\u003cp class=\"\" data-start=\"1457\" data-end=\"1514\"\u003e \u003cstrong data-start=\"1457\" data-end=\"1467\"\u003eSpinne\u003c\/strong\u003e : Linear com cabos entrançados integrados de 16 AWG \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1515\" data-end=\"1561\"\u003e\n\n\u003cp class=\"\" data-start=\"1517\" data-end=\"1561\"\u003e \u003cstrong data-start=\"1517\" data-end=\"1532\"\u003eLigações\u003c\/strong\u003e : terminais de compressão de 4 mm² \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1562\" data-end=\"1619\"\u003e\n\n\u003cp class=\"\" data-start=\"1564\" data-end=\"1619\"\u003e \u003cstrong data-start=\"1564\" data-end=\"1575\"\u003eInstalação\u003c\/strong\u003e : Otimizado para colunas seladas ou bass reflex. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1620\" data-end=\"1667\"\u003e\n\n\u003cp class=\"\" data-start=\"1622\" data-end=\"1667\"\u003e \u003cstrong data-start=\"1622\" data-end=\"1634\"\u003eAcabamento\u003c\/strong\u003e : Anel de acabamento em PVC integrado \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr class=\"\" data-start=\"1669\" data-end=\"1672\"\u003e\n\n\u003ch2 class=\"\" data-start=\"1674\" data-end=\"1692\"\u003e Conteúdo da embalagem \u003c\/h2\u003e\n\n\u003cul data-start=\"1693\" data-end=\"1788\"\u003e\n\n\u003cli class=\"\" data-start=\"1693\" data-end=\"1731\"\u003e\n\n\u003cp class=\"\" data-start=\"1695\" data-end=\"1731\"\u003e 1 Subwoofer Rockford Fosgate R2D4-12 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1732\" data-end=\"1764\"\u003e\n\n\u003cp class=\"\" data-start=\"1734\" data-end=\"1764\"\u003e Anel de acabamento em PVC integrado \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"1765\" data-end=\"1788\"\u003e\n\n\u003cp class=\"\" data-start=\"1767\" data-end=\"1788\"\u003e Instruções de instalação \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr class=\"\" data-start=\"1790\" data-end=\"1793\"\u003e\n\n\u003ch2 class=\"\" data-start=\"1795\" data-end=\"1823\"\u003e Especificações técnicas \u003c\/h2\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 class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1825\" data-end=\"3133\"\u003e\n\n\u003cthead data-start=\"1825\" data-end=\"1874\"\u003e\n\n\u003ctr data-start=\"1825\" data-end=\"1874\"\u003e\n\n\u003cth data-start=\"1825\" data-end=\"1864\" data-col-size=\"sm\"\u003e Características\u003c\/th\u003e\n\n\u003cth data-start=\"1864\" data-end=\"1874\" data-col-size=\"sm\"\u003e Detalhe \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-start=\"1925\" data-end=\"3133\"\u003e\n\n\u003ctr data-start=\"1925\" data-end=\"1989\"\u003e\n\n\u003ctd data-start=\"1925\" data-end=\"1964\" data-col-size=\"sm\"\u003e Tipo\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"1964\" data-end=\"1989\"\u003e Subwoofer de 12\" (30 cm) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"1990\" data-end=\"2042\"\u003e\n\n\u003ctd data-start=\"1990\" data-end=\"2029\" data-col-size=\"sm\"\u003e Potência RMS\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2029\" data-end=\"2042\"\u003e 250 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2043\" data-end=\"2095\"\u003e\n\n\u003ctd data-start=\"2043\" data-end=\"2082\" data-col-size=\"sm\"\u003e Potência máxima\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2082\" data-end=\"2095\"\u003e 500 Watts \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2096\" data-end=\"2158\"\u003e\n\n\u003ctd data-start=\"2096\" data-end=\"2135\" data-col-size=\"sm\"\u003e Tipo de bobina\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2135\" data-end=\"2158\"\u003e Bobine duplo (DVC) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2159\" data-end=\"2211\"\u003e\n\n\u003ctd data-start=\"2159\" data-end=\"2198\" data-col-size=\"sm\"\u003e Impedância\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2198\" data-end=\"2211\"\u003e 2 x 4 Ohms \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2212\" data-end=\"2260\"\u003e\n\n\u003ctd data-start=\"2212\" data-end=\"2251\" data-col-size=\"sm\"\u003e Diâmetro da bobina\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2251\" data-end=\"2260\"\u003e 51 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2261\" data-end=\"2309\"\u003e\n\n\u003ctd data-start=\"2261\" data-end=\"2300\" data-col-size=\"sm\"\u003e Sensibilidade SPL (1W\/1m)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2300\" data-end=\"2309\"\u003e 89 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2310\" data-end=\"2360\"\u003e\n\n \u003ctd data-start=\"2310\" data-end=\"2349\" data-col-size=\"sm\"\u003eFrequência de ressonância (Fs)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2349\" data-end=\"2360\"\u003e 34,9 Hz \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2361\" data-end=\"2413\"\u003e\n\n\u003ctd data-start=\"2361\" data-end=\"2400\" data-col-size=\"sm\"\u003e Resistência CC (Re)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2400\" data-end=\"2413\"\u003e 7,17 Ohms \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2414\" data-end=\"2463\"\u003e\n\n\u003ctd data-start=\"2414\" data-end=\"2453\" data-col-size=\"sm\"\u003e Indutância (A)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2453\" data-end=\"2463\"\u003e 3,9 mH \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2464\" data-end=\"2516\"\u003e\n\n\u003ctd data-start=\"2464\" data-end=\"2503\" data-col-size=\"sm\"\u003e Área da superfície da membrana (Sd)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2503\" data-end=\"2516\"\u003e 539,1 cm² \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2517\" data-end=\"2564\"\u003e\n\n\u003ctd data-start=\"2517\" data-end=\"2556\" data-col-size=\"sm\"\u003e Qts\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2556\" data-end=\"2564\"\u003e 0,60 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2565\" data-end=\"2612\"\u003e\n\n\u003ctd data-start=\"2565\" data-end=\"2604\" data-col-size=\"sm\"\u003e Qms\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2604\" data-end=\"2612\"\u003e 7,33 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2613\" data-end=\"2660\"\u003e\n\n\u003ctd data-start=\"2613\" data-end=\"2652\" data-col-size=\"sm\"\u003e Qes\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2652\" data-end=\"2660\"\u003e 0,66 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2661\" data-end=\"2715\"\u003e\n\n\u003ctd data-start=\"2661\" data-end=\"2700\" data-col-size=\"sm\"\u003e Volume de ar equivalente (Vas)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2700\" data-end=\"2715\"\u003e 68,8 litros \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2716\" data-end=\"2765\"\u003e\n\n\u003ctd data-start=\"2716\" data-end=\"2755\" data-col-size=\"sm\"\u003e Excursão linear (Xmáx)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2755\" data-end=\"2765\"\u003e 6,5 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2766\" data-end=\"2820\"\u003e\n\n\u003ctd data-start=\"2766\" data-end=\"2805\" data-col-size=\"sm\"\u003e Volume recomendado da caixa (selada)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2805\" data-end=\"2820\"\u003e 28,8 litros \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2821\" data-end=\"2878\"\u003e\n\n\u003ctd data-start=\"2821\" data-end=\"2863\" data-col-size=\"sm\"\u003e Volume recomendado do subwoofer (bass reflex)\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2863\" data-end=\"2878\"\u003e 50,6 litros \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2879\" data-end=\"2928\"\u003e\n\n\u003ctd data-start=\"2879\" data-end=\"2918\" data-col-size=\"sm\"\u003e Profundidade de instalação\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2918\" data-end=\"2928\"\u003e 128 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2929\" data-end=\"2978\"\u003e\n\n\u003ctd data-start=\"2929\" data-end=\"2968\" data-col-size=\"sm\"\u003e diâmetro de corte\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"2968\" data-end=\"2978\"\u003e 285 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"2979\" data-end=\"3031\"\u003e\n\n\u003ctd data-start=\"2979\" data-end=\"3018\" data-col-size=\"sm\"\u003e Movimento dos oradores\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"3018\" data-end=\"3031\"\u003e 1,3 litros \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"3032\" data-end=\"3082\"\u003e\n\n\u003ctd data-start=\"3032\" data-end=\"3071\" data-col-size=\"sm\"\u003e Peso do motor\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"3071\" data-end=\"3082\"\u003e 1,35 kg \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-start=\"3083\" data-end=\"3133\"\u003e\n\n\u003ctd data-start=\"3083\" data-end=\"3122\" data-col-size=\"sm\"\u003e Peso total de envio\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-start=\"3122\" data-end=\"3133\"\u003e 9,49 kg \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ch2 class=\"\" data-start=\"3140\" data-end=\"3189\"\u003e Porquê escolher o Rockford Fosgate R2D4-12? \u003c\/h2\u003e\n\n\u003cul data-start=\"3190\" data-end=\"3504\"\u003e\n\n\u003cli class=\"\" data-start=\"3190\" data-end=\"3262\"\u003e\n\n\u003cp class=\"\" data-start=\"3192\" data-end=\"3262\"\u003e ✅ \u003cstrong data-start=\"3194\" data-end=\"3223\"\u003eGraves dinâmicos e precisos\u003c\/strong\u003e , ideais para um sistema potente. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"3263\" data-end=\"3346\"\u003e\n\n\u003cp class=\"\" data-start=\"3265\" data-end=\"3346\"\u003e ✅ \u003cstrong data-start=\"3267\" data-end=\"3291\"\u003eBobina dupla de 4 ohms\u003c\/strong\u003e para cablagem flexível (2 ou 8 ohms em paralelo\/série) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"3347\" data-end=\"3390\"\u003e\n\n\u003cp class=\"\" data-start=\"3349\" data-end=\"3390\"\u003e ✅ \u003cstrong data-start=\"3351\" data-end=\"3390\"\u003eConstrução robusta e de alto desempenho\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"3391\" data-end=\"3433\"\u003e\n\n\u003cp class=\"\" data-start=\"3393\" data-end=\"3433\"\u003e ✅ Compatível com \u003cstrong data-start=\"3406\" data-end=\"3433\"\u003earmários selados ou ventilados\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-start=\"3434\" data-end=\"3504\"\u003e\n\n\u003cp class=\"\" data-start=\"3436\" data-end=\"3504\"\u003e ✅ O som característico da Rockford Fosgate, reconhecido mundialmente. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cimg style=\"float: none; display: block; margin-left: auto; margin-right: auto;\" 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\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Rockford","offers":[{"title":"Default Title","offer_id":51396308336907,"sku":"R2D4-12","price":109.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/Rockford-ROCKFORD-R2D4-12-_-Subwoofer-30-cm-_12_-_-Double-Bobine-_-250-W-RMS-_-4-Ohm-Multison-185901641.webp?v=1747147507","url":"https:\/\/mumltisun.com\/pt\/products\/rockford-r2d4-12-subwoofer-30-cm-12-double-bobine-250-w-rms-4-ohm","provider":"mumltisun.com","version":"1.0","type":"link"}