{"product_id":"dc-audio-rs-18-subwoofer","title":"DC Audio RS 18\" Subwoofer","description":"\u003cdiv\u003e\n\u003cp\u003eDC Audio RS 18\" Subwoofer from the RSm2 line is a purpose-built bass driver for high‑power, serious car audio systems—delivering deep, controlled bass with a robust cooling design. It uses radial venting around a solid pole to push motor air across the coil for forced cooling, powered by dual 220mm Y35 Extream Grade magnets and an 8‑layer flat‑wire voice coil.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExtremely rigid non-pressed paper cone assembly\u003c\/b\u003e: provides precise cone control under large excursions, reducing unwanted cone flex for tighter bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMultilayered polymer foam surround\u003c\/b\u003e: maintains linear movement at high output while resisting fatigue in demanding listening sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolypropylene dust cover with DC logo\u003c\/b\u003e: protective cover that preserves durability and aids in keeping dust out of the motor area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTriple Stiff 8\"OD semi cup progressive roll spiders\u003c\/b\u003e: improves control of the spider assembly, contributing to stable linear travel and reduced distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual Extra heavy duty interweaved tinsel lead wire\u003c\/b\u003e: enhances reliability and current handling during high‑power bass plays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCast aluminum black frame \/ no invert mount\u003c\/b\u003e: rigid structure with mounting options suited to demanding installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFEA analyzed and optimized motor assembly – Fully CNC machined\u003c\/b\u003e: ensures tight tolerances for consistent performance across units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRubber mounting gasket\u003c\/b\u003e: damps vibrations at the mounting surface for cleaner midbass and smoother integration in the vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChrome spring loaded push terminals\u003c\/b\u003e: secure, easy wiring with solid contact under high current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual 1.0 or 2.0 ohm 3\" Hi-temp Voice Coil\u003c\/b\u003e: offers impedance options to match amplifier and maintain reliability under hot, demanding use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual 220mm Y35 Slugs\u003c\/b\u003e: large magnet geometry provides strong motor force for high bass output and reduced thermal compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Depth\u003c\/b\u003e: 9.25\"; \u003cb\u003eMounting Hole Diameter\u003c\/b\u003e: 16.75\"; \u003cb\u003eOutside Driver Diameter\u003c\/b\u003e: 18.5\"; \u003cb\u003eVC Diameter\u003c\/b\u003e: 3.0\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisplacement\u003c\/b\u003e: 0.24 ft³\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Handling rms\/peak\u003c\/b\u003e: 1800\/3600\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSd\u003c\/b\u003e: 1159 cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRe\u003c\/b\u003e: 3.98 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eXmax\u003c\/b\u003e: 24 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSuggested Sealed Box\u003c\/b\u003e: 3.5 ft³; \u003cb\u003eSuggested Ported Box\u003c\/b\u003e: 5.5 ft³\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a real car audio build, this 18\" driver excels in large enclosures that can exploit its 0.24 ft³ displacement and 24 mm Xmax, delivering deep bass with high SPL potential. Its forced cooling design helps maintain performance under sustained high‑power bass, while the 3.98 Ω impedance and high‑power handling align with robust amplifiers for sustained dynamics. The enclosure recommendations provide a clear path for achieving the deepest, cleanest bass in a high‑power system. \u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-1xy1\"\u003eRS-Subwoofer\u003c\/th\u003e\n\u003cth class=\"tg-1xy1\"\u003e10\"\u003c\/th\u003e\n\u003cth class=\"tg-mow8\"\u003e12\"\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eMounting Depth\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e6.25\"\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e7\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e9.35\"\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e11\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eOutside Driver Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e11\"\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e12.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eVC Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e.16 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e.17 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003ePower Handling rms\/peak\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1800\/3600\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1800\/3600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eOhm Options\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003ed1\/d2\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003ed1\/d2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSd\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e324.29 cm²\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e494.81 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eVas\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e5.39 L\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e00.00 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eCms\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.036Mm\/n\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.000 Mm\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eMms\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e405.41 g\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e000.00 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eFs\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e41.59 Hz\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.00 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eBl\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e30.72 N\/A\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e00.00 N\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eRe\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.83 Ohm\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.00 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eLe\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e4.54 mH\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.0 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQms\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e8.19\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eQes\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.43\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQts\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.408\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eXmax\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e24mm\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eRef SPL @1 watt\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e81.3 db\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.0db\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eSuggest Sealed Box\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e.75 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e1.0 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSuggested Ported Box\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1.0 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1.5 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-1xy1\"\u003eRS-Subwoofer\u003c\/th\u003e\n\u003cth class=\"tg-1xy1\"\u003e15\"\u003c\/th\u003e\n\u003cth class=\"tg-mow8\"\u003e18\"\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eMounting Depth\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e8.25\"\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e9.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e14.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e16.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eOutside Driver Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e15.7\"\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e18.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eVC Diameter\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eDisplacement\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e.22 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e.24 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003ePower Handling rms\/peak\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1800\/3600\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1800\/3600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eOhm Options\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003ed1\/d2\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003ed1\/d2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSd\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e791 cm²\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e1159 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eVas\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e00.00 L\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e000.00 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eCms\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.00 Mm\/n\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.00 Mm\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eMms\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e000.00 g\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e000.00 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eFs\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.0 Hz\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eBl\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e00.00 N\/A\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e00.00 N\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eRe\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.98 Ohm\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.98 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eLe\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.00 mH\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.00 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQms\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.00\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eQes\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.000\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e0.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQts\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.00\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e0.000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eXmax\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e24mm\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eRef SPL @1 watt\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.0 db\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e00.0 db\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eSuggest Sealed Box\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e2.0 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-sftl\"\u003e3.5 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSuggested Ported Box\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e3.0 ft³\u003c\/td\u003e\n\u003ctd class=\"tg-1xy1\"\u003e5.5 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"DC Audio","offers":[{"title":"Dual 0.7 Ohm","offer_id":49850211303652,"sku":null,"price":524.99,"currency_code":"USD","in_stock":true},{"title":"Dual 1 Ohm","offer_id":49850211336420,"sku":null,"price":524.99,"currency_code":"USD","in_stock":true},{"title":"Dual 1.4 Ohm","offer_id":49850211369188,"sku":null,"price":524.99,"currency_code":"USD","in_stock":true},{"title":"Dual 2 Ohm","offer_id":49850211401956,"sku":null,"price":524.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":49850211434724,"sku":null,"price":524.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/rs4_9ba15939-51b5-439e-97cb-71da27a871ac.png?v=1789260606","url":"https:\/\/www.12voltoutlet.com\/products\/dc-audio-rs-18-subwoofer","provider":"12 Volt Outlet","version":"1.0","type":"link"}