{"product_id":"bass-rockers-brsw12d4-12-heavy-duty-car-subwoofer-dual-4ω-dvc-4-4-500w-rms-88db-50hz-500hz-50mm-coil-steel-basket-ferrite-magnet-sealed-ported-ready-95mm-depth-300mm-cutout-paper-cone-foam","title":"Bass Rockers BRSW12D4 12\" Heavy Duty Car Subwoofer Dual 4Ω DVC (4+4), 500W RMS, 88dB, 50Hz–500Hz, 50mm Coil, Steel Basket, Ferrite Magnet, Sealed\/Ported Ready","description":"\u003cp data-start=\"127\" data-end=\"674\"\u003eUpgrade your bass with the \u003cstrong data-start=\"154\" data-end=\"212\"\u003eBass Rockers BRSW12D4 12-inch heavy duty car subwoofer\u003c\/strong\u003e, built for strong, clean low-end performance in daily systems. This subwoofer features a \u003cstrong data-start=\"302\" data-end=\"340\"\u003eDual Voice Coil 4+4Ω (Dual 4Ω DVC)\u003c\/strong\u003e design for flexible wiring options, making it easy to match your amplifier setup. With \u003cstrong data-start=\"428\" data-end=\"440\"\u003e500W RMS\u003c\/strong\u003e power handling, \u003cstrong data-start=\"457\" data-end=\"477\"\u003e88dB sensitivity\u003c\/strong\u003e, and a durable build including a \u003cstrong data-start=\"511\" data-end=\"527\"\u003esteel basket\u003c\/strong\u003e, \u003cstrong data-start=\"529\" data-end=\"543\"\u003epaper cone\u003c\/strong\u003e, \u003cstrong data-start=\"545\" data-end=\"562\"\u003efoam surround\u003c\/strong\u003e, and \u003cstrong data-start=\"568\" data-end=\"592\"\u003eferrite magnet motor\u003c\/strong\u003e, it’s designed to deliver reliable bass in both \u003cstrong data-start=\"641\" data-end=\"673\"\u003esealed and ported enclosures\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"681\" data-end=\"696\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"697\" data-end=\"1265\"\u003e\n\u003cli data-section-id=\"qkvz2n\" data-start=\"697\" data-end=\"752\"\u003e\n\u003cstrong data-start=\"699\" data-end=\"724\"\u003e12\" (320mm) subwoofer\u003c\/strong\u003e for deep bass performance\u003c\/li\u003e\n\u003cli data-section-id=\"14nvvd\" data-start=\"753\" data-end=\"876\"\u003e\n\u003cstrong data-start=\"755\" data-end=\"777\"\u003eDual 4Ω DVC (4+4Ω)\u003c\/strong\u003e for flexible wiring:\n\u003cul data-start=\"801\" data-end=\"876\"\u003e\n\u003cli data-section-id=\"1i1d2zj\" data-start=\"801\" data-end=\"838\"\u003e\n\u003cstrong data-start=\"803\" data-end=\"820\"\u003e2Ω final load\u003c\/strong\u003e (parallel wiring)\u003c\/li\u003e\n\u003cli data-section-id=\"11q0z8l\" data-start=\"841\" data-end=\"876\"\u003e\n\u003cstrong data-start=\"843\" data-end=\"860\"\u003e8Ω final load\u003c\/strong\u003e (series wiring)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14nt7c3\" data-start=\"877\" data-end=\"933\"\u003e\n\u003cstrong data-start=\"879\" data-end=\"891\"\u003e500W RMS\u003c\/strong\u003e power handling for dependable daily use\u003c\/li\u003e\n\u003cli data-section-id=\"l0brpq\" data-start=\"934\" data-end=\"992\"\u003e\n\u003cstrong data-start=\"936\" data-end=\"969\"\u003e88dB ±3dB sensitivity (1W\/1m)\u003c\/strong\u003e for efficient output\u003c\/li\u003e\n\u003cli data-section-id=\"1teqr4h\" data-start=\"993\" data-end=\"1056\"\u003e\n\u003cstrong data-start=\"995\" data-end=\"1026\"\u003ePaper cone + paper dust cap\u003c\/strong\u003e for punchy, responsive bass\u003c\/li\u003e\n\u003cli data-section-id=\"8t34q6\" data-start=\"1057\" data-end=\"1107\"\u003e\n\u003cstrong data-start=\"1059\" data-end=\"1076\"\u003eFoam surround\u003c\/strong\u003e for controlled cone movement\u003c\/li\u003e\n\u003cli data-section-id=\"1tnl15w\" data-start=\"1108\" data-end=\"1166\"\u003e\n\u003cstrong data-start=\"1110\" data-end=\"1126\"\u003eSteel basket\u003c\/strong\u003e for rigidity and long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"wsqw6t\" data-start=\"1167\" data-end=\"1211\"\u003e\n\u003cstrong data-start=\"1169\" data-end=\"1193\"\u003eFerrite magnet motor\u003c\/strong\u003e (Ø140mm × 20mm)\u003c\/li\u003e\n\u003cli data-section-id=\"1hcvqyu\" data-start=\"1212\" data-end=\"1265\"\u003eWorks great in \u003cstrong data-start=\"1229\" data-end=\"1265\"\u003esealed or ported subwoofer boxes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1272\" data-end=\"1289\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1290\" data-end=\"1750\"\u003e\n\u003cli data-section-id=\"1qo0od8\" data-start=\"1290\" data-end=\"1334\"\u003e\n\u003cstrong data-start=\"1292\" data-end=\"1310\"\u003eBrand \/ Model:\u003c\/strong\u003e Bass Rockers BRSW12D4\u003c\/li\u003e\n\u003cli data-section-id=\"sbthk5\" data-start=\"1335\" data-end=\"1369\"\u003e\n\u003cstrong data-start=\"1337\" data-end=\"1354\"\u003eSpeaker Size:\u003c\/strong\u003e 12\" (Ø320mm)\u003c\/li\u003e\n\u003cli data-section-id=\"do26vx\" data-start=\"1370\" data-end=\"1407\"\u003e\n\u003cstrong data-start=\"1372\" data-end=\"1386\"\u003eImpedance:\u003c\/strong\u003e Dual 4Ω (4+4Ω DVC)\u003c\/li\u003e\n\u003cli data-section-id=\"1a44vfn\" data-start=\"1408\" data-end=\"1431\"\u003e\n\u003cstrong data-start=\"1410\" data-end=\"1424\"\u003eRMS Power:\u003c\/strong\u003e 500W\u003c\/li\u003e\n\u003cli data-section-id=\"1pru7j1\" data-start=\"1432\" data-end=\"1462\"\u003e\n\u003cstrong data-start=\"1434\" data-end=\"1450\"\u003eSensitivity:\u003c\/strong\u003e 88dB ±3dB\u003c\/li\u003e\n\u003cli data-section-id=\"6g96wa\" data-start=\"1463\" data-end=\"1500\"\u003e\n\u003cstrong data-start=\"1465\" data-end=\"1485\"\u003eFrequency Range:\u003c\/strong\u003e 50Hz – 500Hz\u003c\/li\u003e\n\u003cli data-section-id=\"1dppzjj\" data-start=\"1501\" data-end=\"1534\"\u003e\n\u003cstrong data-start=\"1503\" data-end=\"1527\"\u003eVoice Coil Diameter:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003cli data-section-id=\"ht6wor\" data-start=\"1535\" data-end=\"1566\"\u003e\n\u003cstrong data-start=\"1537\" data-end=\"1559\"\u003eVoice Coil Length:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n\u003cli data-section-id=\"12867h5\" data-start=\"1567\" data-end=\"1594\"\u003e\n\u003cstrong data-start=\"1569\" data-end=\"1588\"\u003eAir Gap Height:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli data-section-id=\"5e4epx\" data-start=\"1595\" data-end=\"1623\"\u003e\n\u003cstrong data-start=\"1597\" data-end=\"1613\"\u003eMagnet Type:\u003c\/strong\u003e Ferrite\u003c\/li\u003e\n\u003cli data-section-id=\"t5d78b\" data-start=\"1624\" data-end=\"1658\"\u003e\n\u003cstrong data-start=\"1626\" data-end=\"1642\"\u003eMagnet Size:\u003c\/strong\u003e Ø140mm × 20mm\u003c\/li\u003e\n\u003cli data-section-id=\"9ihdlk\" data-start=\"1659\" data-end=\"1689\"\u003e\n\u003cstrong data-start=\"1661\" data-end=\"1681\"\u003eBasket Material:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1czgg20\" data-start=\"1690\" data-end=\"1718\"\u003e\n\u003cstrong data-start=\"1692\" data-end=\"1710\"\u003eCone Material:\u003c\/strong\u003e Paper\u003c\/li\u003e\n\u003cli data-section-id=\"1dd0yq2\" data-start=\"1719\" data-end=\"1750\"\u003e\n\u003cstrong data-start=\"1721\" data-end=\"1743\"\u003eSurround Material:\u003c\/strong\u003e Foam\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1er3w1i\" data-start=\"1757\" data-end=\"1791\"\u003eThiele \u0026amp; Small (T\/S) Parameters\u003c\/h2\u003e\n\u003cul data-start=\"1792\" data-end=\"1997\"\u003e\n\u003cli data-section-id=\"1ru1oae\" data-start=\"1792\" data-end=\"1808\"\u003e\n\u003cstrong data-start=\"1794\" data-end=\"1801\"\u003eFs:\u003c\/strong\u003e 47Hz\u003c\/li\u003e\n\u003cli data-section-id=\"6q8kxa\" data-start=\"1809\" data-end=\"1832\"\u003e\n\u003cstrong data-start=\"1811\" data-end=\"1818\"\u003eRe:\u003c\/strong\u003e 3.6Ω + 3.6Ω\u003c\/li\u003e\n\u003cli data-section-id=\"3lwaol\" data-start=\"1833\" data-end=\"1849\"\u003e\n\u003cstrong data-start=\"1835\" data-end=\"1843\"\u003eQms:\u003c\/strong\u003e 3.5\u003c\/li\u003e\n\u003cli data-section-id=\"1rdr2j6\" data-start=\"1850\" data-end=\"1866\"\u003e\n\u003cstrong data-start=\"1852\" data-end=\"1860\"\u003eQes:\u003c\/strong\u003e 0.9\u003c\/li\u003e\n\u003cli data-section-id=\"19a16fh\" data-start=\"1867\" data-end=\"1883\"\u003e\n\u003cstrong data-start=\"1869\" data-end=\"1877\"\u003eQts:\u003c\/strong\u003e 0.7\u003c\/li\u003e\n\u003cli data-section-id=\"4l1zeh\" data-start=\"1884\" data-end=\"1900\"\u003e\n\u003cstrong data-start=\"1886\" data-end=\"1894\"\u003eVas:\u003c\/strong\u003e 47L\u003c\/li\u003e\n\u003cli data-section-id=\"1d0pkn0\" data-start=\"1901\" data-end=\"1920\"\u003e\n\u003cstrong data-start=\"1903\" data-end=\"1910\"\u003eBL:\u003c\/strong\u003e 7.9 N\/A\u003c\/li\u003e\n\u003cli data-section-id=\"1ubkiwu\" data-start=\"1921\" data-end=\"1939\"\u003e\n\u003cstrong data-start=\"1923\" data-end=\"1932\"\u003eXmax:\u003c\/strong\u003e 11mm\u003c\/li\u003e\n\u003cli data-section-id=\"146gbtf\" data-start=\"1940\" data-end=\"1966\"\u003e\n\u003cstrong data-start=\"1942\" data-end=\"1949\"\u003eSd:\u003c\/strong\u003e 53 (as listed)\u003c\/li\u003e\n\u003cli data-section-id=\"ag93wr\" data-start=\"1967\" data-end=\"1997\"\u003e\n\u003cstrong data-start=\"1969\" data-end=\"1977\"\u003eCms:\u003c\/strong\u003e 118 M\/N (as listed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"17w2jno\" data-start=\"2004\" data-end=\"2027\"\u003eMounting Information\u003c\/h2\u003e\n\u003cul data-start=\"2028\" data-end=\"2165\"\u003e\n\u003cli data-section-id=\"1dlz2gj\" data-start=\"2028\" data-end=\"2060\"\u003e\n\u003cstrong data-start=\"2030\" data-end=\"2051\"\u003eOverall Diameter:\u003c\/strong\u003e Ø320mm\u003c\/li\u003e\n\u003cli data-section-id=\"1wiiv13\" data-start=\"2061\" data-end=\"2097\"\u003e\n\u003cstrong data-start=\"2063\" data-end=\"2088\"\u003eBolt Circle Diameter:\u003c\/strong\u003e Ø287mm\u003c\/li\u003e\n\u003cli data-section-id=\"6i9gxk\" data-start=\"2098\" data-end=\"2136\"\u003e\n\u003cstrong data-start=\"2100\" data-end=\"2127\"\u003eBaffle Cutout Diameter:\u003c\/strong\u003e Ø300mm\u003c\/li\u003e\n\u003cli data-section-id=\"7mpztq\" data-start=\"2137\" data-end=\"2165\"\u003e\n\u003cstrong data-start=\"2139\" data-end=\"2158\"\u003eMounting Depth:\u003c\/strong\u003e 95mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"xydb7h\" data-start=\"2172\" data-end=\"2190\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"2191\" data-end=\"2248\"\u003e\n\u003cli data-section-id=\"cx3wvc\" data-start=\"2191\" data-end=\"2248\"\u003e\u003cstrong data-start=\"2193\" data-end=\"2248\"\u003e1 × Bass Rockers BRSW12D4 12\" Dual 4Ω DVC Subwoofer\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"6zzv5x\" data-start=\"2255\" data-end=\"2264\"\u003eNotes\u003c\/h3\u003e\n\u003cul data-start=\"2265\" data-end=\"2423\"\u003e\n\u003cli data-section-id=\"1i10y0k\" data-start=\"2265\" data-end=\"2338\"\u003eThis is a \u003cstrong data-start=\"2277\" data-end=\"2298\"\u003epassive subwoofer\u003c\/strong\u003e and requires an \u003cstrong data-start=\"2315\" data-end=\"2337\"\u003eexternal amplifier\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"zjqxo4\" data-start=\"2339\" data-end=\"2423\"\u003ePlease confirm your enclosure cutout and mounting depth clearance before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bass Rockers","offers":[{"title":"Default Title","offer_id":47825013637277,"sku":"BRSW12D4","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0445\/4681\/8205\/files\/DSC_2233_1.png?v=1775842354","url":"https:\/\/bassrockers.com\/products\/bass-rockers-brsw12d4-12-heavy-duty-car-subwoofer-dual-4%cf%89-dvc-4-4-500w-rms-88db-50hz-500hz-50mm-coil-steel-basket-ferrite-magnet-sealed-ported-ready-95mm-depth-300mm-cutout-paper-cone-foam","provider":"Bass Rockers","version":"1.0","type":"link"}