{"product_id":"rockford-r2sd4-12-subwoofer-slim-30-cm-250w-rms-double-bobine-2-ohms","title":"ROCKFORD R2SD4-12 – Slim 30 cm subwoofer – 250W RMS – Double coil 2 Ohms","description":"\u003ch2\u003e ROCKFORD R2SD4-12 – Slim 30 cm subwoofer – 250W RMS – Double coil 2 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 \u003cp class=\"\" data-end=\"1033\" data-start=\"427\"\u003eThe \u003cstrong data-end=\"459\" data-start=\"430\"\u003eRockford Fosgate R2SD4-12\u003c\/strong\u003e is a 30 cm (12\") flat panel subwoofer designed to deliver accurate bass even in the tightest spaces. Its shallow design and mica-injected polypropylene cone ensure clean and powerful sound reproduction. This model is optimized for use in sealed enclosures and features 4 mm² compression terminals as well as an anodized aluminum chassis with integrated ventilation to keep the motor cool. Offering 250 Watts RMS of power and a dual 2 Ohm voice coil, it guarantees a balanced and intense sound. \u003c\/p\u003e\n\n\u003chr class=\"\" data-end=\"1038\" data-start=\"1035\"\u003e\n\n\u003ch3 class=\"\" data-end=\"1074\" data-start=\"1040\"\u003e Main features \u003c\/h3\u003e\n\n\u003cul data-end=\"1405\" data-start=\"1075\"\u003e\n\n\u003cli class=\"\" data-end=\"1107\" data-start=\"1075\"\u003e\n\n\u003cp class=\"\" data-end=\"1107\" data-start=\"1077\"\u003e 4 mm² compression terminals \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1155\" data-start=\"1108\"\u003e\n\n\u003cp class=\"\" data-end=\"1155\" data-start=\"1110\"\u003e Linear Spider with integrated 16 AWG cables \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1187\" data-start=\"1156\"\u003e\n\n\u003cp class=\"\" data-end=\"1187\" data-start=\"1158\"\u003e Optimized for closed boxes \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1233\" data-start=\"1188\"\u003e\n\n\u003cp class=\"\" data-end=\"1233\" data-start=\"1190\"\u003e Membrane made of mica-injected polypropylene \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1268\" data-start=\"1234\"\u003e\n\n\u003cp class=\"\" data-end=\"1268\" data-start=\"1236\"\u003e Integrated PVC finishing ring \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1299\" data-start=\"1269\"\u003e\n\n\u003cp class=\"\" data-end=\"1299\" data-start=\"1271\"\u003e Shallow depth motor \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1342\" data-start=\"1300\"\u003e\n\n\u003cp class=\"\" data-end=\"1342\" data-start=\"1302\"\u003e Anodized aluminum spool holder \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1405\" data-start=\"1343\"\u003e\n\n\u003cp class=\"\" data-end=\"1405\" data-start=\"1345\"\u003e Ventilated StampCast chassis with integrated spider ventilation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr class=\"\" data-end=\"1410\" data-start=\"1407\"\u003e\n\n \u003ch3 class=\"\" data-end=\"1443\" data-start=\"1412\"\u003eTechnical specifications \u003c\/h3\u003e\n\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\n\u003cdiv style=\"text-align: start;\" 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=\"3049\" data-start=\"1445\"\u003e\n\n\u003cthead data-end=\"1511\" data-start=\"1445\"\u003e\n\n\u003ctr data-end=\"1511\" data-start=\"1445\"\u003e\n\n\u003cth data-col-size=\"sm\" data-end=\"1476\" data-start=\"1445\"\u003e Specification\u003c\/th\u003e\n\n\u003cth data-col-size=\"sm\" data-end=\"1511\" data-start=\"1476\"\u003e Detail \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-end=\"3049\" data-start=\"1578\"\u003e\n\n\u003ctr data-end=\"1642\" data-start=\"1578\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1608\" data-start=\"1578\"\u003e RMS power\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1642\" data-start=\"1608\"\u003e 250 W \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1707\" data-start=\"1643\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1673\" data-start=\"1643\"\u003e Maximum power\u003c\/td\u003e\n\n\u003ctd data-end=\"1707\" data-start=\"1673\" data-col-size=\"sm\"\u003e 500 W \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1771\" data-start=\"1708\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1738\" data-start=\"1708\"\u003e Recessed depth\u003c\/td\u003e\n\n\u003ctd data-end=\"1771\" data-start=\"1738\" data-col-size=\"sm\"\u003e 86 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1836\" data-start=\"1772\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1802\" data-start=\"1772\"\u003e Cone surface area (Sd)\u003c\/td\u003e\n\n\u003ctd data-end=\"1836\" data-start=\"1802\" data-col-size=\"sm\"\u003e 333 cm² \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1902\" data-start=\"1837\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1867\" data-start=\"1837\"\u003e Nominal impedance\u003c\/td\u003e\n\n\u003ctd data-end=\"1902\" data-start=\"1867\" data-col-size=\"sm\"\u003e Dual 2 Ohm voice coil \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1965\" data-start=\"1903\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1932\" data-start=\"1903\"\u003e Size\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1965\" data-start=\"1932\"\u003e 12\" (30 cm) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2031\" data-start=\"1966\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"1996\" data-start=\"1966\"\u003e Speaker connection\u003c\/td\u003e\n\n\u003ctd data-end=\"2031\" data-start=\"1996\" data-col-size=\"sm\"\u003e Double compression 12 AWG \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2094\" data-start=\"2032\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2061\" data-start=\"2032\"\u003e Weight\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2094\" data-start=\"2061\"\u003e 4.80 kg \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2157\" data-start=\"2095\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2124\" data-start=\"2095\"\u003e Coil diameter\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2157\" data-start=\"2124\"\u003e 50 mm (2\") \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2221\" data-start=\"2158\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2188\" data-start=\"2158\"\u003e Resonant frequency (Fs)\u003c\/td\u003e\n\n\u003ctd data-end=\"2221\" data-start=\"2188\" data-col-size=\"sm\"\u003e 38.1 Hz \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2285\" data-start=\"2222\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2252\" data-start=\"2222\"\u003e Cutting diameter\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2285\" data-start=\"2252\"\u003e 232 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2349\" data-start=\"2286\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2320\" data-start=\"2286\"\u003e Woofer displacement volume\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2349\" data-start=\"2320\"\u003e 1.05 L \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2413\" data-start=\"2350\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2380\" data-start=\"2350\"\u003e Qts Factor\u003c\/td\u003e\n\n\u003ctd data-end=\"2413\" data-start=\"2380\" data-col-size=\"sm\"\u003e 0.68 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2476\" data-start=\"2414\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2443\" data-start=\"2414\"\u003e Sensitivity (SPL @ 1W\/1m)\u003c\/td\u003e\n\n\u003ctd data-end=\"2476\" data-start=\"2443\" data-col-size=\"sm\"\u003e 83 dB \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2540\" data-start=\"2477\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2507\" data-start=\"2477\"\u003e Qms factor\u003c\/td\u003e\n\n\u003ctd data-end=\"2540\" data-start=\"2507\" data-col-size=\"sm\"\u003e 8.00 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2603\" data-start=\"2541\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2570\" data-start=\"2541\"\u003e Inductance The\u003c\/td\u003e\n\n\u003ctd data-end=\"2603\" data-start=\"2570\" data-col-size=\"sm\"\u003e 4.2 mH \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2666\" data-start=\"2604\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2633\" data-start=\"2604\"\u003e Resistance Re\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2666\" data-start=\"2633\"\u003e 3.80 Ohm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2730\" data-start=\"2667\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2697\" data-start=\"2667\"\u003e Qes factor\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2730\" data-start=\"2697\"\u003e 0.74 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2794\" data-start=\"2731\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2761\" data-start=\"2731\"\u003e Maximum displacement (Xmax)\u003c\/td\u003e\n\n\u003ctd data-end=\"2794\" data-start=\"2761\" data-col-size=\"sm\"\u003e 8 mm \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2858\" data-start=\"2795\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2825\" data-start=\"2795\"\u003e Equivalent volume Vas\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2858\" data-start=\"2825\"\u003e 20.4 L \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2921\" data-start=\"2859\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2888\" data-start=\"2859\"\u003e Coil type\u003c\/td\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2921\" data-start=\"2888\"\u003e Double coil \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2985\" data-start=\"2922\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"2952\" data-start=\"2922\"\u003e Closed box volume (Vb)\u003c\/td\u003e\n\n\u003ctd data-end=\"2985\" data-start=\"2952\" data-col-size=\"sm\"\u003e 0.7 cu. ft. (19.8 L) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"3049\" data-start=\"2986\"\u003e\n\n\u003ctd data-col-size=\"sm\" data-end=\"3020\" data-start=\"2986\"\u003e Bass reflex subwoofer volume (Vb)\u003c\/td\u003e\n\n\u003ctd data-end=\"3049\" data-start=\"3020\" data-col-size=\"sm\"\u003e 1.4 cu. ft. (39.6 L) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003chr class=\"\" data-end=\"3054\" data-start=\"3051\"\u003e\n\n\u003ch3 class=\"\" data-end=\"3093\" data-start=\"3056\"\u003e Why choose this subwoofer? \u003c\/h3\u003e\n\n\u003cul data-end=\"3508\" data-start=\"3094\"\u003e\n\n\u003cli class=\"\" data-end=\"3163\" data-start=\"3094\"\u003e\n\n\u003cp class=\"\" data-end=\"3163\" data-start=\"3096\"\u003e Flat format, ideal for installations in tight spaces \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3220\" data-start=\"3164\"\u003e\n\n\u003cp class=\"\" data-end=\"3220\" data-start=\"3166\"\u003e Dual 2 Ohm voice coil for mounting flexibility \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3290\" data-start=\"3221\"\u003e\n\n\u003cp class=\"\" data-end=\"3290\" data-start=\"3223\"\u003e Rigid membrane for clear and precise bass reproduction \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3363\" data-start=\"3291\"\u003e\n\n\u003cp class=\"\" data-end=\"3363\" data-start=\"3293\"\u003e Ventilated chassis with spider for better heat dissipation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3437\" data-start=\"3364\"\u003e\n\n \u003cp class=\"\" data-end=\"3437\" data-start=\"3366\"\u003e250 Watts RMS rated power for powerful and dynamic sound \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3508\" data-start=\"3438\"\u003e\n\n\u003cp class=\"\" data-end=\"3508\" data-start=\"3440\"\u003e Optimized for sealed enclosures to achieve rich, deep sound \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;\" alt=\"ROCKFORD R2SD4-12 – Slim 30 cm subwoofer – 250W RMS – Double coil 2 Ohms\" 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":51405680476427,"sku":"R2SD4-12","price":129.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/Rockford-ROCKFORD-R2SD4-12-_-Subwoofer-Slim-30-cm-_-250W-RMS-_-Double-bobine-2-Ohms-Multison-186014279.webp?v=1747298003","url":"https:\/\/mumltisun.com\/en\/products\/rockford-r2sd4-12-subwoofer-slim-30-cm-250w-rms-double-bobine-2-ohms","provider":"mumltisun.com","version":"1.0","type":"link"}