{"product_id":"massive-audio-h154x-15-2000-watts-rms-dual-4-ohm-3-v-c-mega-subwoofer","title":"Massive Audio H154X - 15\" 2000 Watts RMS Dual 4 Ohm 3\" V.C. Mega Subwoofer","description":"\u003cdiv\u003e\n\u003cp\u003eMassive Audio H154X is a 15-inch high-output subwoofer built for competition-grade bass and premium daily-driver installations, delivering deep, precise low end with robust heat management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 15\" woofer with ample cone area to move significant air for low-frequency extension and punchy output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRMS Watts\u003c\/b\u003e: 2000W continuous power handling, enabling sustained high-level bass without thermal collapse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePeak Watts\u003c\/b\u003e: 4000W maximum input capability for brief, high-demand transients without clipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoice Coil\u003c\/b\u003e: 3\" Dual 4 Ohm coils designed for high-current power delivery and flexible amplifier impedance matching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAnodized Aluminum Former\u003c\/b\u003e: Supports the 3\" voice coil with strength and reduced weight for better transient response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCone\u003c\/b\u003e: Kevlar fiber-reinforced non-pressed paper cone for rigidity, natural tone, and durable operation under heavy excursion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSurround\u003c\/b\u003e: Tall and narrow foam surround to sustain linear motion and control at high travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMagnet\u003c\/b\u003e: 274oz Sr (strontium) magnet provides strong control and consistent performance during long sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVentilation\u003c\/b\u003e: Vented back plate and basket aid heat dissipation to maintain performance under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBasket\u003c\/b\u003e: Cast aluminum frame offers rigidity with light weight to minimize unwanted vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTinsel Leads\u003c\/b\u003e: Heavy-duty triple tinsel leads designed to endure high excursion and movement without fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTerminals\u003c\/b\u003e: Heavy-duty direct input wires connection for secure, low-resistance power transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eX-Max\u003c\/b\u003e: 20.5mm maximum linear excursion for deep bass with controlled cone movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSPL\u003c\/b\u003e: 89.07dB sensitivity, indicating efficient conversion of power into pressure for strong output with appropriate amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnclosure Options\u003c\/b\u003e: Ported Box and Sealed Box configurations are supported; see the product’s user guide PDF for specifics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAesthetics \u0026amp; Build Details\u003c\/b\u003e: Red stitching bonds the cone to the surround; fiberglass woven dust cap adds durability and style; textured cast aluminum basket finish; heavy-gauge direct leads pre-installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a car audio system, the H154X excels in high-output builds where bass depth, control, and reliability matter. Its robust motor structure, rigid frame, and high-current wiring support aggressive tuning in ported enclosures or tight, accurate response in sealed enclosures, making it well suited for competition setups or premium daily drivers that demand serious low-end performance.\u003c\/p\u003e \u003cbr\u003e \u003ctable id=\"text_specs_table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"odd\"\u003e\n\u003ctd class=\"spec_title\"\u003eSize\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003ePeak Watts\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e4000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eRMS Watts\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eCone\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003eNon-Pressed Paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eVoice Coil\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e3\" Dual 4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eSurround\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003eTall and Narrow Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eMagnet\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e274oz Strontium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eTerminals\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003eHeavy Duty Direct Input Wires Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eBasket\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003eCast Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eTinsel Leads\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003eHeavy Duty Triple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eX-Max\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e20.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eSPL\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e89.07dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003ePorted Box\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eSealed Box\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eFs\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e37.32Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eRe\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eLe\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eBL\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eQms\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e2.154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eQes\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eQts\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H104X-H124-H124X-H122X-H152X-H154X-_manual.pdf\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H124-H124X-H122X-H152X-H154X-manual.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eVas\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e60.456L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eCms\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e61.1 um\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eMms\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e297.571 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eSd\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\n\u003cspan\u003e0.0834 \u003c\/span\u003esq cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003ctd class=\"spec_title\"\u003eVd\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e1.711 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Massive Audio","offers":[{"title":"Default Title","offer_id":49850228572388,"sku":null,"price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/H152X_FRONT_2000x2000_fc563a0d-15f6-41a9-870f-7250124680b0.webp?v=1789261105","url":"https:\/\/www.12voltoutlet.com\/products\/massive-audio-h154x-15-2000-watts-rms-dual-4-ohm-3-v-c-mega-subwoofer","provider":"12 Volt Outlet","version":"1.0","type":"link"}