{"product_id":"american-bass-xmaxxx-monster-18-single-bundle","title":"American Bass XMAXXX Monster 18\" Single Bundle","description":"\u003cp\u003e\u003cstrong\u003eBundle Includes:\u003c\/strong\u003e (1) American Bass Xmaxxx Monster 18\" Car Subwoofer 4000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm + (1) American Bass XMAXXX Monster 18\" Single Ported Subwoofer Enclosure\u003c\/p\u003e\u003cp\u003ePriced at 10% off the combined retail price of the subwoofer and enclosure bought separately. Select your impedance below.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eAmerican Bass Xmaxxx Monster 18\" Car Subwoofer 4000 Watts RMS Dual Voice Coil 1 Ohm or 2 Ohm\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000W RMS \/ 8000W Max\u003c\/strong\u003e — monster output for high-powered 18\" builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 1Ω or Dual 2Ω\u003c\/strong\u003e — pick the coil for your setup (XMAXXX-1811 \/ XMAXXX-1822)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.0\" 4-layer high-temp coil\u003c\/strong\u003e — handles sustained power with ease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-stacked high-energy magnet\u003c\/strong\u003e — serious motor force behind every note\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue powder-coated basket\u003c\/strong\u003e — oversized fat foam surround and 22.5mm Xmax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAmerican Bass Xmaxxx Monster 18\" Car Subwoofer — 4000W RMS Dual Voice Coil (XMAXXX-1811 \/ XMAXXX-1822)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(1) American Bass Xmaxxx Monster 18\" Subwoofer\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eThe American Bass Xmaxxx Monster 18\" is ready to dominate your car audio system. Its blue powder-coated basket and matching blue-stitched surround give the Monster an unmistakable look, while a 4.0\" four-layer high-temp voice coil, triple-stacked high-energy magnets, and a carbon-fiber-reinforced cone deliver the true power this sub is famous for. Grab XMAXXX-1811 for dual 1-ohm or XMAXXX-1822 for dual 2-ohm and build the meanest system on the block. \u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4.0\" hi-temp 4-layer voice coil\u003c\/li\u003e\n\u003cli\u003eTriple-stacked high-energy magnet motor\u003c\/li\u003e\n\u003cli\u003eBlue powder-coated heavy-duty basket\u003c\/li\u003e\n\u003cli\u003eCarbon-fiber-reinforced non-pressed paper cone with oversized fat foam surround\u003c\/li\u003e\n\u003cli\u003eDual voice coil design with 22.5mm Xmax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eRMS Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eMax Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual 1Ω (1811) \/ Dual 2Ω (1822)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86.5 dB (1Ω) \/ 87.2 dB (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eVoice Coil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0\", 4-layer high-temp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTriple-stacked high-energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eBasket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePowder-coated heavy-duty steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eMounting Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eCutout Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eXmax\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eFs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31.76 Hz (1Ω) \/ 32.5 Hz (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eQts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.53 (1Ω) \/ 0.43 (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eQes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.59 (1Ω) \/ 0.47 (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eQms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.55 (1Ω) \/ 6.17 (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eVas\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53.57 L (1Ω) \/ 46.98 L (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eBL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.95 (1Ω) \/ 38.12 (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003e\u003cstrong\u003eMms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e855 g (1Ω) \/ 929 g (2Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eAmerican Bass XMAXXX Monster 18\" Single Ported Subwoofer Enclosure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Volume\u003c\/strong\u003e - 6.0 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning\u003c\/strong\u003e - 30.0 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Area\u003c\/strong\u003e - 87.75 sq in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub Cutout\u003c\/strong\u003e - 16.75\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e - 1\" (24mm) plywood construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e (1) Basshead Supply ported enclosure for the American Bass XMAXXX Monster 18\" subwoofer\u003c\/p\u003e\u003cp\u003eThis enclosure is custom built specifically for the American Bass XMAXXX Monster 18\" subwoofer. Basshead Supply's Performance Series enclosures are subwoofer-specific boxes engineered for strong, clean output, built with a refined assembly process that leaves no visible screw holes. Every box is glued with Titebond III and internally braced, then pre-wired with a recessed satin-nickel binding post and OFC 10-gauge wire - built by hand in the USA. Made to order (2-3 week lead time) and shipping from JS Ultimate Sounds, your Basshead Supply dealer.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1\" (24mm) plywood construction\u003c\/li\u003e\n\u003cli\u003e17 ply birch veneer construction\u003c\/li\u003e\n\u003cli\u003eGray stained finish\u003c\/li\u003e\n\u003cli\u003eRefined assembly - no visible screw holes\u003c\/li\u003e\n\u003cli\u003eGlued with Titebond III and internally braced\u003c\/li\u003e\n\u003cli\u003ePre-wired recessed satin-nickel binding post with OFC 10-gauge wire\u003c\/li\u003e\n\u003cli\u003eBuilt by hand in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eNet Volume\u003c\/td\u003e\n\u003ctd\u003e6.0 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eTuning\u003c\/td\u003e\n\u003ctd\u003e30.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003ePort Area\u003c\/td\u003e\n\u003ctd\u003e87.75 sq in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003ePort Dimensions\u003c\/td\u003e\n\u003ctd\u003e18.0\" x 4.875\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eSub Cutout\u003c\/td\u003e\n\u003ctd\u003e16.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e1\" (24mm) plywood construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGray stained finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eWiring\u003c\/td\u003e\n\u003ctd\u003ePre-wired metal binding post with 10ga OFC wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:35%;\"\u003eDimensions (HxWxD)\u003c\/td\u003e\n\u003ctd\u003e20.0\" x 39.625\" x 22.625\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"American Bass","offers":[{"title":"1 Ohm","offer_id":67039488835629,"sku":null,"price":1952.54,"currency_code":"USD","in_stock":true},{"title":"2 Ohm","offer_id":67039488868397,"sku":null,"price":1952.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/american-bass-xmaxxx-monster-18-single-bundle_33a5cf61-5318-4d24-8531-e6482f8b9615.webp?v=1784636474","url":"https:\/\/www.jsultimatesounds.com\/products\/american-bass-xmaxxx-monster-18-single-bundle","provider":"JS Ultimate Sounds","version":"1.0","type":"link"}