{"product_id":"massive-audio-h124xr-12-3000-watts-rms-dual-4-ohm-4-v-c-mega-70-lbs-subwoofer","title":"Massive Audio H124XR - 12\" 3000 Watts RMS Dual 4 Ohm 4\" V.C. Mega 70 Lbs. Subwoofer","description":"\u003cdiv\u003e\n\u003cp\u003eMassive Audio H124XR is a 12-inch high-output subwoofer built for competition-grade bass and premium daily-drive systems. Weighing roughly 70 lbs, it combines a 4\" dual 4-ohm voice coil with a 377 oz Sr magnet to deliver 3000W RMS of continuous power with tight, deep bass.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: 12\" cone diameter for deep bass and strong excursion in car enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRMS Watts\u003c\/b\u003e: 3000W continuous power handling, enabling sustained high-output bass when driven by a capable amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePeak Watts\u003c\/b\u003e: 6000W peak power rating for brief transients and dynamic boosts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoice Coil\u003c\/b\u003e: 4\" Dual 4 Ohm voice coil provides flexible wiring options to match amplifiers and desired impedance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCone\u003c\/b\u003e: Kevlar fiber reinforced non-pressed paper cone yields rigidity for precise bass with natural tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSurround\u003c\/b\u003e: Tall and narrow foam surround supports long linear excursion while maintaining controlled behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMagnet\u003c\/b\u003e: 377 oz strontium magnet supplies strong magnetic field for consistent control at high power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeat \u0026amp; Ventilation\u003c\/b\u003e: Vented back plate and basket help manage heat during long high-output sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTerminals\u003c\/b\u003e: Heavy-duty direct input wires connection for secure, low-resistance wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBasket\u003c\/b\u003e: Cast aluminum basket provides rigidity with light weight to minimize unwanted vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTinsel Leads\u003c\/b\u003e: Heavy-duty triple leads ensure reliability at high excursion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eX-Max\u003c\/b\u003e: 21.6 mm maximum linear excursion for deep bass and dynamic control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSPL\u003c\/b\u003e: 93.54 dB sensitivity indicating relatively efficient, high-output performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnclosure Options\u003c\/b\u003e: Ported Box and Sealed Box configurations; See User Guide PDF for details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFs\u003c\/b\u003e: 43 Hz resonant frequency, indicating strong low-end extension with the right enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdditional Design Notes\u003c\/b\u003e: Anodized aluminum former on the voice coil; Kevlar spunlace; dual Nomex spiders; high-roll surround; cast aluminum basket with red stitching and fiberglass woven dust cap; pre-installed heavy-gauge direct leads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a properly tuned enclosure and paired with a capable high-current amplifier, the H124XR delivers deep, controlled bass with substantial headroom. It suits competition builds and premium daily-driver systems where power handling, durability, and precise bass articulation are essential.\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\"\u003e12\"\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\"\u003e6000\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\"\u003e3000\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\"\u003e4\" 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\"\u003e377oz 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\"\u003e21.6mm\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\"\u003e93.54dB\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\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSee User Guide PDF\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-manual.pdf?v=1749580283\" target=\"_blank\"\u003e\u003c\/a\u003e\n\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\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eFs\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e43Hz\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\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eLe\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eBL\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eQms\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e3.119\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\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eQts\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0658\/1297\/files\/HIPPO_H122XR-H124XR-H152XR_manual.pdf\" rel=\"noopener\" 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\"\u003eVas\u003c\/td\u003e\n\u003ctd class=\"spec_value\"\u003e16.841 L\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\"\u003e42.1 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\"\u003e324.295 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\u003cspan\u003e0.053 sq cm\u003c\/span\u003e\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\"\u003e1.146 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":49850228637924,"sku":null,"price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/H124XR_FRONT_2000x2000_e3af7d65-d184-4728-950b-9e9b3e3a0a07.webp?v=1789261108","url":"https:\/\/www.12voltoutlet.com\/products\/massive-audio-h124xr-12-3000-watts-rms-dual-4-ohm-4-v-c-mega-70-lbs-subwoofer","provider":"12 Volt Outlet","version":"1.0","type":"link"}