{"product_id":"r2-w8d4","title":"R2-W8D4","description":"\u003cp data-start=\"79\" data-end=\"436\"\u003eThe Alpine R2-W8D4 is a next-generation 8-inch R-Series subwoofer engineered for powerful bass performance in compact spaces. Featuring Alpine’s updated R-Series motor structure, HAMR surround technology, Kevlar-reinforced pulp cone, and dual 4-ohm voice coils, the R2-W8D4 delivers deep, tight, and highly accurate bass while handling up to 350 watts RMS.\u003c\/p\u003e\n\u003cp data-start=\"438\" data-end=\"808\"\u003eDesigned for both sealed and ported enclosures, the R2-W8D4 features a larger double-stacked magnet assembly and integrated Faraday ring for improved motor force, reduced distortion, and tighter bass control compared to previous generations. Its compact mounting depth makes it ideal for trucks, under-seat applications, and stealth audio builds where space is limited.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"810\" data-end=\"822\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"823\" data-end=\"1250\"\u003e\n\u003cli data-section-id=\"14bnkxc\" data-start=\"823\" data-end=\"863\"\u003e8” R-Series high-performance subwoofer\u003c\/li\u003e\n\u003cli data-section-id=\"11caco8\" data-start=\"864\" data-end=\"901\"\u003eDual 4-ohm voice coil configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1wdzpp4\" data-start=\"902\" data-end=\"931\"\u003eKevlar reinforced pulp cone\u003c\/li\u003e\n\u003cli data-section-id=\"1tcq6g\" data-start=\"932\" data-end=\"974\"\u003ePolypropylene\/ceramic composite dust cap\u003c\/li\u003e\n\u003cli data-section-id=\"1f3muuf\" data-start=\"975\" data-end=\"1018\"\u003eHAMR (High Amplitude Multi-Roll) surround\u003c\/li\u003e\n\u003cli data-section-id=\"wpoif7\" data-start=\"1019\" data-end=\"1058\"\u003eLarge double-stacked magnet structure\u003c\/li\u003e\n\u003cli data-section-id=\"1m4bgep\" data-start=\"1059\" data-end=\"1107\"\u003eIntegrated Faraday ring for reduced distortion\u003c\/li\u003e\n\u003cli data-section-id=\"19kj51u\" data-start=\"1108\" data-end=\"1143\"\u003eTwist-lock grille mounting system\u003c\/li\u003e\n\u003cli data-section-id=\"1yb75ov\" data-start=\"1144\" data-end=\"1173\"\u003ePush-type speaker terminals\u003c\/li\u003e\n\u003cli data-section-id=\"1vrbyos\" data-start=\"1174\" data-end=\"1207\"\u003eHigh-resolution audio compliant\u003c\/li\u003e\n\u003cli data-section-id=\"b65pue\" data-start=\"1208\" data-end=\"1250\"\u003eDesigned for sealed or ported enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1252\" data-end=\"1270\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1271\" data-end=\"1716\"\u003e\n\u003cli data-section-id=\"1clvws7\" data-start=\"1271\" data-end=\"1295\"\u003eSubwoofer Size:\n\u003cul data-start=\"1291\" data-end=\"1295\"\u003e\n\u003cli data-section-id=\"yhml59\" data-start=\"1291\" data-end=\"1295\"\u003e8”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cq60m\" data-start=\"1296\" data-end=\"1335\"\u003eRMS Power Handling:\n\u003cul data-start=\"1320\" data-end=\"1335\"\u003e\n\u003cli data-section-id=\"jk3yuv\" data-start=\"1320\" data-end=\"1335\"\u003e350 Watts RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14du741\" data-start=\"1336\" data-end=\"1378\"\u003ePeak Power Handling:\n\u003cul data-start=\"1361\" data-end=\"1378\"\u003e\n\u003cli data-section-id=\"4ndreb\" data-start=\"1361\" data-end=\"1378\"\u003e1000 Watts Peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hh9ss5\" data-start=\"1379\" data-end=\"1421\"\u003eVoice Coil Configuration:\n\u003cul data-start=\"1409\" data-end=\"1421\"\u003e\n\u003cli data-section-id=\"jfutif\" data-start=\"1409\" data-end=\"1421\"\u003eDual 4-Ohm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1rh2jxs\" data-start=\"1422\" data-end=\"1460\"\u003eFrequency Response:\n\u003cul data-start=\"1446\" data-end=\"1460\"\u003e\n\u003cli data-section-id=\"96izl6\" data-start=\"1446\" data-end=\"1460\"\u003e30Hz – 200Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nee8ry\" data-start=\"1461\" data-end=\"1487\"\u003eSensitivity:\n\u003cul data-start=\"1478\" data-end=\"1487\"\u003e\n\u003cli data-section-id=\"hswmf2\" data-start=\"1478\" data-end=\"1487\"\u003e83.5 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1oivf4l\" data-start=\"1488\" data-end=\"1516\"\u003eMounting Depth:\n\u003cul data-start=\"1508\" data-end=\"1516\"\u003e\n\u003cli data-section-id=\"gxtfoo\" data-start=\"1508\" data-end=\"1516\"\u003e4-3\/8”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bfjfys\" data-start=\"1517\" data-end=\"1548\"\u003eCutout Diameter:\n\u003cul data-start=\"1538\" data-end=\"1548\"\u003e\n\u003cli data-section-id=\"11rvbwi\" data-start=\"1538\" data-end=\"1548\"\u003e6-15\/16”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gazkm2\" data-start=\"1549\" data-end=\"1565\"\u003eXMAX:\n\u003cul data-start=\"1559\" data-end=\"1565\"\u003e\n\u003cli data-section-id=\"1j29r8r\" data-start=\"1559\" data-end=\"1565\"\u003e12mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xbmthz\" data-start=\"1566\" data-end=\"1592\"\u003eMagnet Weight:\n\u003cul data-start=\"1585\" data-end=\"1592\"\u003e\n\u003cli data-section-id=\"15dwu9q\" data-start=\"1585\" data-end=\"1592\"\u003e56 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ng2noa\" data-start=\"1593\" data-end=\"1624\"\u003eVoice Coil Diameter:\n\u003cul data-start=\"1618\" data-end=\"1624\"\u003e\n\u003cli data-section-id=\"1j2c2hr\" data-start=\"1618\" data-end=\"1624\"\u003e2.6”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lbk453\" data-start=\"1625\" data-end=\"1663\"\u003eRecommended Sealed Box:\n\u003cul data-start=\"1653\" data-end=\"1663\"\u003e\n\u003cli data-section-id=\"8u9p4g\" data-start=\"1653\" data-end=\"1663\"\u003e0.25 ft³\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fd1edt\" data-start=\"1664\" data-end=\"1716\"\u003eRecommended Ported Box:\n\u003cul data-start=\"1692\" data-end=\"1716\"\u003e\n\u003cli data-section-id=\"laqp04\" data-start=\"1692\" data-end=\"1716\"\u003e0.68 ft³ tuned to 39Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"11dogl1\" data-start=\"1720\" data-end=\"1743\"\u003eIncluded In The Box\u003c\/h3\u003e\n\u003cul data-start=\"1744\" data-end=\"1839\"\u003e\n\u003cli data-section-id=\"ujl3hj\" data-start=\"1744\" data-end=\"1770\"\u003eAlpine R2-W8D4 subwoofer\u003c\/li\u003e\n\u003cli data-section-id=\"s6j6cx\" data-start=\"1771\" data-end=\"1791\"\u003eCosmetic trim ring\u003c\/li\u003e\n\u003cli data-section-id=\"1k4aolg\" data-start=\"1792\" data-end=\"1822\"\u003eDual voice coil jumper wires\u003c\/li\u003e\n\u003cli data-section-id=\"ytou7t\" data-start=\"1823\" data-end=\"1839\"\u003eOwner’s manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":47219132760213,"sku":"210000004514","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/3815\/6949\/files\/g500R2W8D4-F.jpg?v=1779224202","url":"https:\/\/slanginsound.com\/products\/r2-w8d4","provider":"Slangin Sound and Tint","version":"1.0","type":"link"}