{"product_id":"fi-audio-mt-series-12-subwoofer","title":"Fi Audio MT Series 12\" Subwoofer Dual 1 Ohms","description":"\u003ch2 data-start=\"330\" data-end=\"364\"\u003eMT Series Competition Subwoofer\u003c\/h2\u003e\n\u003cp data-start=\"366\" data-end=\"564\"\u003eBuilt for extreme output and uncompromising performance, the MT Series is engineered for serious competitors and hardcore bass enthusiasts who demand maximum power handling, control, and durability.\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"907\"\u003eAt the core of this subwoofer is a massive 4-inch voice coil designed to handle intense thermal loads while maintaining consistent performance under extreme conditions. The motor structure is precision-engineered using advanced modeling to maximize magnetic efficiency, delivering strong, controlled output across the entire frequency range.\u003c\/p\u003e\n\u003cp data-start=\"909\" data-end=\"1198\"\u003eThe triple high-grade magnet assembly, combined with a solid pole structure, aluminum sleeve, and compression cap, provides excellent heat management and improved efficiency during high-power operation. This design helps maintain performance stability even during long, demanding sessions.\u003c\/p\u003e\n\u003cp data-start=\"1200\" data-end=\"1553\"\u003eA reinforced moving assembly featuring a heavy multi-spider suspension and high-strand lead wires keeps the cone stable during extreme excursion, reducing distortion and improving reliability at high output levels. The optimized surround geometry increases usable cone area while maintaining control, allowing for deeper lows and greater overall output.\u003c\/p\u003e\n\u003cp data-start=\"1555\" data-end=\"1719\"\u003eWhether you’re building a competition system or a high-power daily setup, the MT Series delivers powerful low-frequency response with excellent control and clarity.\u003c\/p\u003e\n\u003cp data-start=\"1721\" data-end=\"1764\"\u003e\u003cstrong data-start=\"1721\" data-end=\"1764\"\u003eTypical build time: 10–15 business days\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1766\" data-end=\"1769\"\u003e\n\u003ch2 data-start=\"1771\" data-end=\"1811\"\u003eAdvanced Cooling \u0026amp; Inductance Control\u003c\/h2\u003e\n\u003cp data-start=\"1813\" data-end=\"2051\"\u003e\u003cstrong data-start=\"1813\" data-end=\"1832\"\u003eStage 1 Cooling\u003c\/strong\u003e\u003cbr data-start=\"1832\" data-end=\"1835\"\u003eIncludes a precision aluminum pole sleeve that helps stabilize inductance during cone movement while improving heat transfer away from the voice coil. This helps reduce distortion and maintain consistent performance.\u003c\/p\u003e\n\u003cp data-start=\"2053\" data-end=\"2277\"\u003e\u003cstrong data-start=\"2053\" data-end=\"2072\"\u003eStage 2 Cooling\u003c\/strong\u003e\u003cbr data-start=\"2072\" data-end=\"2075\"\u003eAdds an aluminum pole cap to further improve thermal management and reduce inductance changes as the coil moves. This increases efficiency, improves output consistency, and reduces stress on amplifiers.\u003c\/p\u003e\n\u003chr data-start=\"2279\" data-end=\"2282\"\u003e\n\u003ch2 data-start=\"2284\" data-end=\"2299\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"2301\" data-end=\"2721\"\u003e\n\u003cli data-start=\"2301\" data-end=\"2344\"\u003e\n\u003cp data-start=\"2303\" data-end=\"2344\"\u003eDual 1 Ohm or Dual 2 Ohm configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2345\" data-end=\"2380\"\u003e\n\u003cp data-start=\"2347\" data-end=\"2380\"\u003eHeavy-duty cast aluminum basket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2381\" data-end=\"2411\"\u003e\n\u003cp data-start=\"2383\" data-end=\"2411\"\u003eReinforced pulp fiber cone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2412\" data-end=\"2445\"\u003e\n\u003cp data-start=\"2414\" data-end=\"2445\"\u003eWide dual-layer foam surround\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2446\" data-end=\"2479\"\u003e\n\u003cp data-start=\"2448\" data-end=\"2479\"\u003eHeavy-duty stitched terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2480\" data-end=\"2512\"\u003e\n\u003cp data-start=\"2482\" data-end=\"2512\"\u003eHigh strand count lead wires\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2513\" data-end=\"2560\"\u003e\n\u003cp data-start=\"2515\" data-end=\"2560\"\u003eAdvanced motor design for high flux density\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2561\" data-end=\"2590\"\u003e\n\u003cp data-start=\"2563\" data-end=\"2590\"\u003e4” multi-layer voice coil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2591\" data-end=\"2626\"\u003e\n\u003cp data-start=\"2593\" data-end=\"2626\"\u003eTriple stacked magnet structure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2627\" data-end=\"2652\"\u003e\n\u003cp data-start=\"2629\" data-end=\"2652\"\u003eCarbon fiber dust cap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2653\" data-end=\"2687\"\u003e\n\u003cp data-start=\"2655\" data-end=\"2687\"\u003eMulti-spider suspension system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2688\" data-end=\"2721\"\u003e\n\u003cp data-start=\"2690\" data-end=\"2721\"\u003ePrecision machined components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2723\" data-end=\"2726\"\u003e\n\u003ch2 data-start=\"2728\" data-end=\"2753\"\u003ePerformance Highlights\u003c\/h2\u003e\n\u003cul data-start=\"2755\" data-end=\"2959\"\u003e\n\u003cli data-start=\"2755\" data-end=\"2800\"\u003e\n\u003cp data-start=\"2757\" data-end=\"2800\"\u003eDesigned for extreme excursion capability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2801\" data-end=\"2849\"\u003e\n\u003cp data-start=\"2803\" data-end=\"2849\"\u003eHigh thermal capacity for long play sessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2850\" data-end=\"2904\"\u003e\n\u003cp data-start=\"2852\" data-end=\"2904\"\u003eStrong low-frequency output with excellent control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2905\" data-end=\"2959\"\u003e\n\u003cp data-start=\"2907\" data-end=\"2959\"\u003eBuilt for competition and high-power daily systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2961\" data-end=\"2964\"\u003e\n\u003ch2 data-start=\"2966\" data-end=\"2984\"\u003eAvailable Sizes\u003c\/h2\u003e\n\u003cp data-start=\"2986\" data-end=\"3003\"\u003e12″ • 15″ • 18″\u003c\/p\u003e\n\u003cp data-start=\"3005\" data-end=\"3136\"\u003eEach model maintains the same extreme excursion capability and high power handling, with enclosure recommendations varying by size.\u003c\/p\u003e\n\u003chr data-start=\"3138\" data-end=\"3141\"\u003e\n\u003ch2 data-start=\"3143\" data-end=\"3182\"\u003eRecommended Enclosure Sizes (Ported)\u003c\/h2\u003e\n\u003cul data-start=\"3184\" data-end=\"3250\"\u003e\n\u003cli data-start=\"3184\" data-end=\"3208\"\u003e\n\u003cp data-start=\"3186\" data-end=\"3208\"\u003e12″: 1.8 – 2.5 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3209\" data-end=\"3229\"\u003e\n\u003cp data-start=\"3211\" data-end=\"3229\"\u003e15″: 3 – 5 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3230\" data-end=\"3250\"\u003e\n\u003cp data-start=\"3232\" data-end=\"3250\"\u003e18″: 5 – 8 cu ft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fi Audio","offers":[{"title":"Default Title","offer_id":56762372784288,"sku":null,"price":800.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/5308\/3808\/files\/FiAudioMTseriesseriousinnovations4.png?v=1771543018","url":"https:\/\/www.seriousinnovations.com\/products\/fi-audio-mt-series-12-subwoofer","provider":"serious innovations","version":"1.0","type":"link"}