{"product_id":"qrx4001","title":"Quantum Audio QRX4001 Class D Full Range Monoblock Amplifier","description":"\u003ch1 data-section-id=\"17bd3vo\" data-start=\"63\" data-end=\"114\" class=\"PDq2pG_selectionAnchorContainer\"\u003e⚡ Quantum Audio 4000W Class D Full Range Monoblock Amplifier\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch3 data-section-id=\"u2xhgk\" data-start=\"115\" data-end=\"173\"\u003e💥 Massive Power. Precision Control. Built to Perform.\u003c\/h3\u003e\n\u003cp data-start=\"175\" data-end=\"452\"\u003eTake your car audio system to the next level with the \u003cstrong data-start=\"229\" data-end=\"280\"\u003eQuantum Audio 4000W Class D Monoblock Amplifier\u003c\/strong\u003e. Designed for serious bass enthusiasts, this compact powerhouse delivers exceptional output, outstanding efficiency, and rock-solid reliability for subwoofer applications.\u003c\/p\u003e\n\u003cp data-start=\"454\" data-end=\"690\"\u003eBuilt with \u003cstrong data-start=\"465\" data-end=\"502\"\u003ehigh-efficiency MOSFET technology\u003c\/strong\u003e, \u003cstrong data-start=\"504\" data-end=\"530\"\u003e1-Ohm stable circuitry\u003c\/strong\u003e, and an advanced \u003cstrong data-start=\"548\" data-end=\"574\"\u003eHeat Management System\u003c\/strong\u003e, this amplifier is engineered to perform under demanding conditions while maintaining clean, distortion-free sound.\u003c\/p\u003e\n\u003cp data-start=\"692\" data-end=\"839\"\u003eWhether you're upgrading your daily driver or building an SPL-ready system, the Quantum Audio Monoblock delivers the power your subwoofers deserve.\u003c\/p\u003e\n\u003chr data-start=\"841\" data-end=\"844\"\u003e\n\u003ch2 data-section-id=\"1vjpok\" data-start=\"846\" data-end=\"868\"\u003e🚀 Premium Features\u003c\/h2\u003e\n\u003cp data-start=\"870\" data-end=\"931\"\u003e⚡ \u003cstrong data-start=\"872\" data-end=\"898\"\u003e4,000 Watts Max Output\u003c\/strong\u003e for impressive bass performance.\u003c\/p\u003e\n\u003cp data-start=\"933\" data-end=\"978\"\u003e🎯 \u003cstrong data-start=\"936\" data-end=\"952\"\u003e1-Ohm Stable\u003c\/strong\u003e Class D Monoblock design.\u003c\/p\u003e\n\u003cp data-start=\"980\" data-end=\"1054\"\u003e🔥 \u003cstrong data-start=\"983\" data-end=\"1019\"\u003eHigh-Efficiency MOSFET Circuitry\u003c\/strong\u003e for maximum power with lower heat.\u003c\/p\u003e\n\u003cp data-start=\"1056\" data-end=\"1120\"\u003e❄️ \u003cstrong data-start=\"1059\" data-end=\"1094\"\u003eAdvanced Heat Management System\u003c\/strong\u003e for dependable operation.\u003c\/p\u003e\n\u003cp data-start=\"1122\" data-end=\"1185\"\u003e🎛️ \u003cstrong data-start=\"1126\" data-end=\"1159\"\u003eVariable LPF \u0026amp; HPF Crossovers\u003c\/strong\u003e for precise sound tuning.\u003c\/p\u003e\n\u003cp data-start=\"1187\" data-end=\"1257\"\u003e🎚️ \u003cstrong data-start=\"1191\" data-end=\"1223\"\u003eAdjustable Bass Boost @ 45Hz\u003c\/strong\u003e to maximize low-frequency impact.\u003c\/p\u003e\n\u003cp data-start=\"1259\" data-end=\"1314\"\u003e🔌 \u003cstrong data-start=\"1262\" data-end=\"1286\"\u003eLow-Level RCA Inputs\u003c\/strong\u003e for aftermarket head units.\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1376\"\u003e🔊 \u003cstrong data-start=\"1319\" data-end=\"1340\"\u003eHigh-Level Inputs\u003c\/strong\u003e for easy factory radio integration.\u003c\/p\u003e\n\u003cp data-start=\"1378\" data-end=\"1437\"\u003e📦 Ultra-Compact chassis fits in tight installation spaces.\u003c\/p\u003e\n\u003chr data-start=\"1439\" data-end=\"1442\"\u003e\n\u003ch2 data-section-id=\"1u3qnte\" data-start=\"1444\" data-end=\"1462\"\u003e💪 Power Output\u003c\/h2\u003e\n\u003cp data-start=\"1464\" data-end=\"1490\"\u003e⚡ \u003cstrong data-start=\"1466\" data-end=\"1490\"\u003e4,000 Watts x 1 @ 1Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1492\" data-end=\"1518\"\u003e⚡ \u003cstrong data-start=\"1494\" data-end=\"1518\"\u003e2,000 Watts x 1 @ 2Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1520\" data-end=\"1546\"\u003e⚡ \u003cstrong data-start=\"1522\" data-end=\"1546\"\u003e1,000 Watts x 1 @ 4Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1548\" data-end=\"1551\"\u003e\n\u003ch2 data-section-id=\"p9cifj\" data-start=\"1553\" data-end=\"1583\"\u003e📊 Technical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1585\" data-end=\"1636\"\u003e📌 \u003cstrong data-start=\"1588\" data-end=\"1607\"\u003eAmplifier Type:\u003c\/strong\u003e Full-Range Class D Monoblock\u003c\/p\u003e\n\u003cp data-start=\"1638\" data-end=\"1669\"\u003e📌 \u003cstrong data-start=\"1641\" data-end=\"1658\"\u003eMinimum Load:\u003c\/strong\u003e 1 Ohm Mono\u003c\/p\u003e\n\u003cp data-start=\"1671\" data-end=\"1710\"\u003e📌 \u003cstrong data-start=\"1674\" data-end=\"1697\"\u003eFrequency Response:\u003c\/strong\u003e 18Hz – 20kHz\u003c\/p\u003e\n\u003cp data-start=\"1712\" data-end=\"1730\"\u003e📌 \u003cstrong data-start=\"1715\" data-end=\"1723\"\u003eTHD:\u003c\/strong\u003e \u0026lt; 0.5%\u003c\/p\u003e\n\u003cp data-start=\"1732\" data-end=\"1767\"\u003e📌 \u003cstrong data-start=\"1735\" data-end=\"1761\"\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt;90dB\u003c\/p\u003e\n\u003cp data-start=\"1769\" data-end=\"1808\"\u003e📌 \u003cstrong data-start=\"1772\" data-end=\"1791\"\u003eDamping Factor:\u003c\/strong\u003e 126 (@1kHz \/ 4Ω)\u003c\/p\u003e\n\u003cp data-start=\"1810\" data-end=\"1846\"\u003e📌 \u003cstrong data-start=\"1813\" data-end=\"1835\"\u003eInput Sensitivity:\u003c\/strong\u003e 285mV – 6V\u003c\/p\u003e\n\u003cp data-start=\"1848\" data-end=\"1884\"\u003e📌 \u003cstrong data-start=\"1851\" data-end=\"1871\"\u003eLow Pass Filter:\u003c\/strong\u003e 40Hz – 10kHz\u003c\/p\u003e\n\u003cp data-start=\"1886\" data-end=\"1922\"\u003e📌 \u003cstrong data-start=\"1889\" data-end=\"1910\"\u003eHigh Pass Filter:\u003c\/strong\u003e 15Hz – 1kHz\u003c\/p\u003e\n\u003cp data-start=\"1924\" data-end=\"1958\"\u003e📌 \u003cstrong data-start=\"1927\" data-end=\"1942\"\u003eBass Boost:\u003c\/strong\u003e Variable @ 45Hz\u003c\/p\u003e\n\u003cp data-start=\"1960\" data-end=\"2001\"\u003e📌 \u003cstrong data-start=\"1963\" data-end=\"1974\"\u003eInputs:\u003c\/strong\u003e RCA Low-Level \u0026amp; High-Level\u003c\/p\u003e\n\u003chr data-start=\"2003\" data-end=\"2006\"\u003e\n\u003ch2 data-section-id=\"kln4a4\" data-start=\"2008\" data-end=\"2032\"\u003e📐 Compact Dimensions\u003c\/h2\u003e\n\u003cp data-start=\"2034\" data-end=\"2067\"\u003e📏 \u003cstrong data-start=\"2037\" data-end=\"2048\"\u003eLength:\u003c\/strong\u003e 6.83 in (173.5 mm)\u003c\/p\u003e\n\u003cp data-start=\"2069\" data-end=\"2101\"\u003e📏 \u003cstrong data-start=\"2072\" data-end=\"2082\"\u003eWidth:\u003c\/strong\u003e 5.53 in (140.5 mm)\u003c\/p\u003e\n\u003cp data-start=\"2103\" data-end=\"2135\"\u003e📏 \u003cstrong data-start=\"2106\" data-end=\"2117\"\u003eHeight:\u003c\/strong\u003e 2.33 in (59.2 mm)\u003c\/p\u003e\n\u003chr data-start=\"2137\" data-end=\"2140\"\u003e\n\u003ch2 data-section-id=\"9mdtge\" data-start=\"2142\" data-end=\"2159\"\u003e🎯 Perfect For\u003c\/h2\u003e\n\u003cp data-start=\"2161\" data-end=\"2198\"\u003e🚗 High-performance car audio systems\u003c\/p\u003e\n\u003cp data-start=\"2200\" data-end=\"2238\"\u003e🔊 Single or multiple subwoofer setups\u003c\/p\u003e\n\u003cp data-start=\"2240\" data-end=\"2270\"\u003e🎵 Daily drivers \u0026amp; bass lovers\u003c\/p\u003e\n\u003cp data-start=\"2272\" data-end=\"2302\"\u003e🏆 Competition-inspired builds\u003c\/p\u003e\n\u003cp data-start=\"2304\" data-end=\"2340\"\u003e🔧 Factory or aftermarket head units\u003c\/p\u003e\n\u003chr data-start=\"2342\" data-end=\"2345\"\u003e\n\u003ch2 data-section-id=\"1qc1r63\" data-start=\"2347\" data-end=\"2369\"\u003e📦 Package Includes\u003c\/h2\u003e\n\u003cp data-start=\"2371\" data-end=\"2413\"\u003e✔️ Quantum Audio 4000W Monoblock Amplifier\u003c\/p\u003e\n\u003cp data-start=\"2415\" data-end=\"2439\"\u003e✔️ Installation Hardware\u003c\/p\u003e\n\u003cp data-start=\"2441\" data-end=\"2455\"\u003e✔️ User Manual\u003c\/p\u003e\n\u003chr data-start=\"2457\" data-end=\"2460\"\u003e\n\u003ch2 data-section-id=\"2bdrxc\" data-start=\"2462\" data-end=\"2492\"\u003e⭐ Why Choose Quantum Audio?\u003c\/h2\u003e\n\u003cp data-start=\"2494\" data-end=\"2529\"\u003e💎 Compact yet incredibly powerful.\u003c\/p\u003e\n\u003cp data-start=\"2531\" data-end=\"2570\"\u003e⚡ High efficiency for cooler operation.\u003c\/p\u003e\n\u003cp data-start=\"2572\" data-end=\"2623\"\u003e🎶 Clean, punchy bass with flexible tuning options.\u003c\/p\u003e\n\u003cp data-start=\"2625\" data-end=\"2684\"\u003e🛡️ Reliable performance built for long listening sessions.\u003c\/p\u003e\n\u003cp data-start=\"2686\" data-end=\"2803\"\u003e🚀 The perfect amplifier for anyone looking to unleash serious low-frequency power without sacrificing sound quality.\u003c\/p\u003e","brand":"Quantum Audio","offers":[{"title":"Default Title","offer_id":45800323350581,"sku":"QRX4001","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/0054\/9173\/files\/quantum_audio_4000.png?v=1784983346","url":"https:\/\/www.theoutletstation.com\/products\/qrx4001","provider":"The Outlet Station","version":"1.0","type":"link"}