{"product_id":"dc-audio-xl-spl-18-subwoofer","title":"DC Audio XL SPL 18\" Subwoofer","description":"\u003cdiv\u003e\n\u003cp\u003eHand built in the USA, the DC Audio XL SPL 18\" Subwoofer is a high-power driver designed for competition-level SPL and brutal bass control. It handles 2200W RMS (4400W peak) to deliver sustained, loud performance in premium builds—Click HERE to get a Subwoofer Box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePower Handling\u003c\/b\u003e: 2200W RMS \/ 4400W peak — ensures the driver can sustain very high output without thermal compression or failure in demanding SPL setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e8 Layer Flat Wound Hi-temp Aluminum Voice Coil\u003c\/b\u003e: rugged, heat-tolerant coil that maintains linear motion under long, high-power bursts for consistent bass response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtremely rigid non-pressed paper cone assembly\u003c\/b\u003e: stiffness helps minimize cone flex and distortion at deep bass excursions, improving clarity in loud systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMultilayered polymer foam surround\u003c\/b\u003e: durable, controlled cone travel that supports aggressive Xmax while preserving mechanical integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCast aluminum black frame\u003c\/b\u003e: rigid, lightweight structure that reduces cabinet resonance and supports heavy-duty mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFEA analyzed and optimized motor assembly – Fully CNC machined\u003c\/b\u003e: precisely engineered magnet and pole geometry for efficient motor control and consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChrome spring loaded push terminals\u003c\/b\u003e: secure, easy-to-wire connections designed for high-current applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting details (18\" size)\u003c\/b\u003e: Mounting Depth 11.25\", Outside Driver Diameter 18.5\", VC Diameter 3.0\" — enables accurate enclosure planning and fitment in deep-trunk builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a real car audio build, this 18\" XL SPL shines in high-output enclosures designed for deep, highway-filling bass. It supports a high-current amplifier setup and offers a defined sealed or ported path per recommended volumes (sealed around 3.5 ft, ported around 5.5 ft for the 18\" size). With 26mm Xmax and a sensitivity around 90 dB at 1W\/1m, it delivers substantial excursion and output for serious SPL ambitions while maintaining controlled bass characteristics. The dual Ohm options (.7\/1\/1.4\/2\/4) and robust construction—tinsel leads, motor boot, and CNC motor assembly—provide reliable performance under extended, demanding use.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-1xy1\"\u003e\u003c\/th\u003e\n\u003cth class=\"tg-mow8\"\u003e10\"\u003c\/th\u003e\n\u003cth class=\"tg-mow8\"\u003e12\"\u003c\/th\u003e\n\u003cth class=\"tg-mow8\"\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-3iig\"\u003e8.25\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e9\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e10.25\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e11.25\"\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-mow8\"\u003e9.35\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e11\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e14\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\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-3iig\"\u003e11\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e12.5\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e15.7\"\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\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-mow8\"\u003e3.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e3.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e3.0\"\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\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-3iig\"\u003e.18 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e.19 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e.23 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e.26ft\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-mow8\"\u003e2200\/4400\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e\n\u003cspan\u003e22\u003c\/span\u003e\u003cspan\u003e00\/\u003c\/span\u003e\u003cspan\u003e44\u003c\/span\u003e\u003cspan\u003e00\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e\n\u003cspan\u003e22\u003c\/span\u003e\u003cspan\u003e00\/\u003c\/span\u003e\u003cspan\u003e44\u003c\/span\u003e\u003cspan\u003e00\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e\n\u003cspan\u003e22\u003c\/span\u003e\u003cspan\u003e00\/\u003c\/span\u003e\u003cspan\u003e44\u003c\/span\u003e\u003cspan\u003e00\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eOhm Options (dual)\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e.7\/1\/1.4\/2\/4\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e\n\u003cspan\u003e.7\/\u003c\/span\u003e\u003cspan\u003e1\/1.4\/2\/4\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e\n\u003cspan\u003e.7\/\u003c\/span\u003e\u003cspan\u003e1\/1.4\/2\/4\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e\n\u003cspan\u003e.7\/\u003c\/span\u003e\u003cspan\u003e1\/1.4\/2\/4\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eSd\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e324 cm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e494 cm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e791 cm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e1159 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eVas\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e12.42 L\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e25.77 L\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e66.02 L\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e144.36 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eCms\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.085 Mm\/n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.08 Mm\/n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.07 Mm\/n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.07 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-3iig\"\u003e171.77 g\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e213.7 g\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e306.7 g\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e346.07 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eFs\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e41.7Hz\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e38.5 Hz\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e34.3 Hz\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e32.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eBl\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e22.73 N\/A\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e22.73 N\/A\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e22.73 N\/A\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e22.73 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-mow8\"\u003e3.98 Ohm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e3.98 Ohm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e3.98 Ohm\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\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-3iig\"\u003e5.2 mH\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e5.2 mH\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e3.5 mH\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e3.5 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQms\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e11.24\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e12.92\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e8.18\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e8.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eQes\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e0.35\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e0.403\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e0.706\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e0.718\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-1xy1\"\u003eQts\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.34\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.391\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.65\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e0.661\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-sftl\"\u003eXmax\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e26mm\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e26mm\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e26mm\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e26mm\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-mow8\"\u003e85.9 db\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e87.5 db\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e87.3 db\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e90.4 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-3iig\"\u003e.75 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e1.0 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e2.0 ft\u003c\/td\u003e\n\u003ctd class=\"tg-3iig\"\u003e3.5 ft\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-mow8\"\u003e1.0 ft\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e1.50 ft\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e3.0 ft\u003c\/td\u003e\n\u003ctd class=\"tg-mow8\"\u003e5.5 ft\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":49850210222308,"sku":null,"price":529.99,"currency_code":"USD","in_stock":true},{"title":"Dual 1 Ohm","offer_id":49850210255076,"sku":null,"price":529.99,"currency_code":"USD","in_stock":true},{"title":"Dual 1.4 Ohm","offer_id":49850210287844,"sku":null,"price":529.99,"currency_code":"USD","in_stock":true},{"title":"Dual 2 Ohm","offer_id":49850210320612,"sku":null,"price":529.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":49850210353380,"sku":null,"price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/xl2_bd90c719-c687-4251-be15-2e58de7f389a.png?v=1789260600","url":"https:\/\/www.12voltoutlet.com\/products\/dc-audio-xl-spl-18-subwoofer","provider":"12 Volt Outlet","version":"1.0","type":"link"}